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class="vector-toc-link" href="#Elipsearen_fokuak"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Elipsearen fokuak</span> </div> </a> <ul id="toc-Elipsearen_fokuak-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Parabolaren_fokua" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Parabolaren_fokua"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Parabolaren fokua</span> </div> </a> <ul id="toc-Parabolaren_fokua-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Hiperbolaren_fokuak" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Hiperbolaren_fokuak"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Hiperbolaren fokuak</span> </div> </a> <ul id="toc-Hiperbolaren_fokuak-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Obaloaren_fokuak" 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cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Eduki taularen ikusgarritasuna aldatu</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading">Foku (geometria): berrikuspenen arteko aldeak</h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Joan beste hizkuntza batean idatzitako artikulu batera. 29 hizkuntzatan eskuragarri." > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-29" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">29 hizkuntza</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%A8%D8%A4%D8%B1%D8%A9_(%D9%87%D9%86%D8%AF%D8%B3%D8%A9_%D8%B1%D9%8A%D8%A7%D8%B6%D9%8A%D8%A9)" title="بؤرة (هندسة رياضية) – arabiera" lang="ar" hreflang="ar" data-title="بؤرة (هندسة رياضية)" data-language-autonym="العربية" data-language-local-name="arabiera" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Fokus_(H%C9%99nd%C9%99s%C9%99)" title="Fokus (Həndəsə) – azerbaijanera" lang="az" hreflang="az" data-title="Fokus (Həndəsə)" data-language-autonym="Azərbaycanca" data-language-local-name="azerbaijanera" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Focus_(geometria)" title="Focus (geometria) – katalana" lang="ca" hreflang="ca" data-title="Focus (geometria)" data-language-autonym="Català" data-language-local-name="katalana" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%D8%AA%DB%8C%D8%B4%DA%A9%DB%86_(%D8%A6%DB%95%D9%86%D8%AF%D8%A7%D8%B2%DB%95)" title="تیشکۆ (ئەندازە) – erdialdeko kurduera" lang="ckb" hreflang="ckb" data-title="تیشکۆ (ئەندازە)" data-language-autonym="کوردی" data-language-local-name="erdialdeko kurduera" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-cy mw-list-item"><a href="https://cy.wikipedia.org/wiki/Ffocws_(geometreg)" title="Ffocws (geometreg) – galesa" lang="cy" hreflang="cy" data-title="Ffocws (geometreg)" data-language-autonym="Cymraeg" data-language-local-name="galesa" class="interlanguage-link-target"><span>Cymraeg</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Brennpunkt_(Ellipse)" title="Brennpunkt (Ellipse) – alemana" lang="de" hreflang="de" data-title="Brennpunkt (Ellipse)" data-language-autonym="Deutsch" data-language-local-name="alemana" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Focus_(geometry)" title="Focus (geometry) – ingelesa" lang="en" hreflang="en" data-title="Focus (geometry)" data-language-autonym="English" data-language-local-name="ingelesa" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Foco_(geometr%C3%ADa)" title="Foco (geometría) – gaztelania" lang="es" hreflang="es" data-title="Foco (geometría)" data-language-autonym="Español" data-language-local-name="gaztelania" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%DA%A9%D8%A7%D9%86%D9%88%D9%86_(%D9%87%D9%86%D8%AF%D8%B3%D9%87)" title="کانون (هندسه) – persiera" lang="fa" hreflang="fa" data-title="کانون (هندسه)" data-language-autonym="فارسی" data-language-local-name="persiera" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Polttopiste_(geometria)" title="Polttopiste (geometria) – finlandiera" lang="fi" hreflang="fi" data-title="Polttopiste (geometria)" data-language-autonym="Suomi" data-language-local-name="finlandiera" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Foyer_(math%C3%A9matiques)" title="Foyer (mathématiques) – frantsesa" lang="fr" hreflang="fr" data-title="Foyer (mathématiques)" data-language-autonym="Français" data-language-local-name="frantsesa" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Gy%C3%BAjt%C3%B3pont" title="Gyújtópont – hungariera" lang="hu" hreflang="hu" data-title="Gyújtópont" data-language-autonym="Magyar" data-language-local-name="hungariera" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-io mw-list-item"><a href="https://io.wikipedia.org/wiki/Foko_(geometrio)" title="Foko (geometrio) – idoa" lang="io" hreflang="io" data-title="Foko (geometrio)" data-language-autonym="Ido" data-language-local-name="idoa" class="interlanguage-link-target"><span>Ido</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Fuoco_(geometria)" title="Fuoco (geometria) – italiera" lang="it" hreflang="it" data-title="Fuoco (geometria)" data-language-autonym="Italiano" data-language-local-name="italiera" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E7%84%A6%E7%82%B9_(%E5%B9%BE%E4%BD%95%E5%AD%A6)" title="焦点 (幾何学) – japoniera" lang="ja" hreflang="ja" data-title="焦点 (幾何学)" data-language-autonym="日本語" data-language-local-name="japoniera" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-kab mw-list-item"><a href="https://kab.wikipedia.org/wiki/Adik_(tusnakt)" title="Adik (tusnakt) – kabiliera" lang="kab" hreflang="kab" data-title="Adik (tusnakt)" data-language-autonym="Taqbaylit" data-language-local-name="kabiliera" class="interlanguage-link-target"><span>Taqbaylit</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%B4%88%EC%A0%90_(%EA%B8%B0%ED%95%98%ED%95%99)" title="초점 (기하학) – koreera" lang="ko" hreflang="ko" data-title="초점 (기하학)" data-language-autonym="한국어" data-language-local-name="koreera" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/Brennpunkt_(Ellips)" title="Brennpunkt (Ellips) – luxenburgera" lang="lb" hreflang="lb" data-title="Brennpunkt (Ellips)" data-language-autonym="Lëtzebuergesch" data-language-local-name="luxenburgera" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%96%D0%B0%D1%80%D0%B8%D1%88%D1%82%D0%B5_(%D0%B3%D0%B5%D0%BE%D0%BC%D0%B5%D1%82%D1%80%D0%B8%D1%98%D0%B0)" title="Жариште (геометрија) – mazedoniera" lang="mk" hreflang="mk" data-title="Жариште (геометрија)" data-language-autonym="Македонски" data-language-local-name="mazedoniera" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Brandpunt_(meetkunde)" title="Brandpunt (meetkunde) – nederlandera" lang="nl" hreflang="nl" data-title="Brandpunt (meetkunde)" data-language-autonym="Nederlands" data-language-local-name="nederlandera" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Brennpunkt_i_matematikk" title="Brennpunkt i matematikk – nynorsk (norvegiera)" lang="nn" hreflang="nn" data-title="Brennpunkt i matematikk" data-language-autonym="Norsk nynorsk" data-language-local-name="nynorsk (norvegiera)" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Foco_(geometria)" title="Foco (geometria) – portugesa" lang="pt" hreflang="pt" data-title="Foco (geometria)" data-language-autonym="Português" data-language-local-name="portugesa" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Focar_(matematic%C4%83)" title="Focar (matematică) – errumaniera" lang="ro" hreflang="ro" data-title="Focar (matematică)" data-language-autonym="Română" data-language-local-name="errumaniera" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%A4%D0%BE%D0%BA%D1%83%D1%81_(%D0%B3%D0%B5%D0%BE%D0%BC%D0%B5%D1%82%D1%80%D0%B8%D1%8F)" title="Фокус (геометрия) – errusiera" lang="ru" hreflang="ru" data-title="Фокус (геометрия)" data-language-autonym="Русский" data-language-local-name="errusiera" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Gori%C5%A1%C4%8De" title="Gorišče – esloveniera" lang="sl" hreflang="sl" data-title="Gorišče" data-language-autonym="Slovenščina" data-language-local-name="esloveniera" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%95%E0%AF%81%E0%AE%B5%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D_(%E0%AE%B5%E0%AE%9F%E0%AE%BF%E0%AE%B5%E0%AE%B5%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D)" title="குவியம் (வடிவவியல்) – tamilera" lang="ta" hreflang="ta" data-title="குவியம் (வடிவவியல்)" data-language-autonym="தமிழ்" data-language-local-name="tamilera" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B9%82%E0%B8%9F%E0%B8%81%E0%B8%B1%E0%B8%AA" title="โฟกัส – thailandiera" lang="th" hreflang="th" data-title="โฟกัส" data-language-autonym="ไทย" data-language-local-name="thailandiera" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%A4%D0%BE%D0%BA%D1%83%D1%81_(%D0%BC%D0%B0%D1%82%D0%B5%D0%BC%D0%B0%D1%82%D0%B8%D0%BA%D0%B0)" title="Фокус (математика) – ukrainera" lang="uk" hreflang="uk" data-title="Фокус (математика)" data-language-autonym="Українська" data-language-local-name="ukrainera" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E7%84%A6%E9%BB%9E_(%E5%B9%BE%E4%BD%95)" title="焦點 (幾何) – txinera" lang="zh" hreflang="zh" data-title="焦點 (幾何)" data-language-autonym="中文" data-language-local-name="txinera" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q3568#sitelinks-wikipedia" title="Aldatu hizkuntzen arteko loturak" class="wbc-editpage">Aldatu loturak</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Izen-tarteak"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Foku_(geometria)" 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href="/w/index.php?title=Foku_(geometria)&action=edit&oldid=3167253" title="Foku (geometria)">aldatu</a></span><span class="mw-diff-timestamp" data-timestamp="2012-09-13T10:55:02Z"></span></strong></div><div id="mw-diff-otitle2"><a href="/wiki/Lankide:Txus.aparicio" class="mw-userlink" title="Lankide:Txus.aparicio" data-mw-revid="3167253"><bdi>Txus.aparicio</bdi></a> <span class="mw-usertoollinks">(<a href="/wiki/Lankide_eztabaida:Txus.aparicio" class="mw-usertoollinks-talk" title="Lankide eztabaida:Txus.aparicio">eztabaida</a> | <a href="/wiki/Berezi:Ekarpenak/Txus.aparicio" class="mw-usertoollinks-contribs" title="Berezi:Ekarpenak/Txus.aparicio">ekarpenak</a>)</span><div class="mw-diff-usermetadata"><div class="mw-diff-userroles"></div><div class="mw-diff-usereditcount"><span>27.413</span> edits</div></div></div><div id="mw-diff-otitle3"> <span class="comment comment--without-parentheses"><span class="autocomment"><a href="#Obalo_fokuak">→<bdi dir="ltr">Obalo 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Laburpenean arrazoi bat gehitzeko aukera ematen du.">desegin</a></span></strong></div><div id="mw-diff-ntitle2"><a href="/wiki/Lankide:Txus.aparicio" class="mw-userlink" title="Lankide:Txus.aparicio" data-mw-revid="3174957"><bdi>Txus.aparicio</bdi></a> <span class="mw-usertoollinks">(<a href="/wiki/Lankide_eztabaida:Txus.aparicio" class="mw-usertoollinks-talk" title="Lankide eztabaida:Txus.aparicio">eztabaida</a> | <a href="/wiki/Berezi:Ekarpenak/Txus.aparicio" class="mw-usertoollinks-contribs" title="Berezi:Ekarpenak/Txus.aparicio">ekarpenak</a>)</span><div class="mw-diff-usermetadata"><div class="mw-diff-userroles"></div><div class="mw-diff-usereditcount"><span>27.413</span> edits</div></div></div><div id="mw-diff-ntitle3"><span class="comment mw-comment-none">No edit summary</span></div><div id="mw-diff-ntitle5"></div><div id="mw-diff-ntitle4"><a href="/w/index.php?title=Foku_(geometria)&diff=next&oldid=3174957" title="Foku (geometria)" id="differences-nextlink">Hurrengo ezberdintasuna →</a></div></td> </tr><tr> <td colspan="2" class="diff-lineno">1. lerroa:</td> <td colspan="2" class="diff-lineno">1. lerroa:</td> </tr> <tr> <td class="diff-marker" data-marker="−"></td> <td class="diff-deletedline diff-side-deleted"><div>[[Fitxategi: Excentricidad.svg|thumb|280px|F puntua elipsearen (<del class="diffchange diffchange-inline">gorria</del>), parabolaren (<del class="diffchange diffchange-inline">berdea</del>) eta hiperbolaren (<del class="diffchange diffchange-inline">urdina</del>) fokua da.]]</div></td> <td class="diff-marker" data-marker="+"></td> <td class="diff-addedline diff-side-added"><div>[[Fitxategi: Excentricidad.svg|thumb|280px|F puntua elipsearen (<ins class="diffchange diffchange-inline">gorriz</ins>), parabolaren (<ins class="diffchange diffchange-inline">berdez</ins>) eta hiperbolaren (<ins class="diffchange diffchange-inline">urdinez</ins>) fokua da.]]</div></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><br /></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><br /></td> </tr> <tr> <td class="diff-marker" data-marker="−"></td> <td class="diff-deletedline diff-side-deleted"><div>[[Geometria]]n, kurba baten '''fokua''' planoko puntu finko bat (edo batzuk) da, <del class="diffchange diffchange-inline">zeinetik</del> <del class="diffchange diffchange-inline">kurbaren</del> puntuekin erlazionatutako hainbat distantzia konstanteak izaten <del class="diffchange diffchange-inline">baitira</del>.</div></td> <td class="diff-marker" data-marker="+"></td> <td class="diff-addedline diff-side-added"><div>[[Geometria]]n, kurba baten '''fokua''' planoko puntu finko bat (edo batzuk) da<ins class="diffchange diffchange-inline">. Ikusiko dugunez</ins>, <ins class="diffchange diffchange-inline">kurba</ins> <ins class="diffchange diffchange-inline">horren</ins> puntuekin erlazionatutako hainbat distantzia konstanteak izaten <ins class="diffchange diffchange-inline">dira fokua erreferentzia hartuta</ins>.</div></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><br /></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><br /></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><div>== Zirkunferentziaren fokua ==</div></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><div>== Zirkunferentziaren fokua ==</div></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><br /></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><br /></td> </tr> <tr> <td class="diff-marker" data-marker="−"></td> <td class="diff-deletedline diff-side-deleted"><div>'''[[Zirkunferentzia]]ren fokua''' [[Zentro (geometria)|zentro]]a da. Zirkunferentziaren edozein <del class="diffchange diffchange-inline">puntutik</del> zentrorainoko distantziak berdinak dira.</div></td> <td class="diff-marker" data-marker="+"></td> <td class="diff-addedline diff-side-added"><div>'''[[Zirkunferentzia]]ren fokua''' [[Zentro (geometria)|zentro]]a da. Zirkunferentziaren edozein <ins class="diffchange diffchange-inline">puntutatik</ins> zentrorainoko distantziak berdinak dira.</div></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><br /></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><br /></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><div>== Elipsearen fokuak ==</div></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><div>== Elipsearen fokuak ==</div></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><br /></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><br /></td> </tr> <tr> <td class="diff-marker" data-marker="−"></td> <td class="diff-deletedline diff-side-deleted"><div>'''[[Elipse]]aren fokuak''' bi dira. Elipsearen edozein <del class="diffchange diffchange-inline">puntutik</del> fokuetarainoko distantzien batura konstantea da.</div></td> <td class="diff-marker" data-marker="+"></td> <td class="diff-addedline diff-side-added"><div>'''[[Elipse]]aren fokuak''' bi dira. Elipsearen edozein <ins class="diffchange diffchange-inline">puntutatik</ins> fokuetarainoko distantzien batura konstantea da.</div></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><br /></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><br /></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><div>== Parabolaren fokua ==</div></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><div>== Parabolaren fokua ==</div></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><br /></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><br /></td> </tr> <tr> <td class="diff-marker" data-marker="−"></td> <td class="diff-deletedline diff-side-deleted"><div>'''[[Parabola (matematika)|Parabola]]ren fokua''' bakarra da. Parabolaren edozein <del class="diffchange diffchange-inline">puntutik</del> fokurainoko distantzia eta [[Zuzentzaile (geometria)|zuzentzaile]] izeneko zuzen finko baterainoko distantzia berdinak dira.</div></td> <td class="diff-marker" data-marker="+"></td> <td class="diff-addedline diff-side-added"><div>'''[[Parabola (matematika)|Parabola]]ren fokua''' bakarra da. Parabolaren edozein <ins class="diffchange diffchange-inline">puntutatik</ins> fokurainoko distantzia eta [[Zuzentzaile (geometria)|zuzentzaile]] izeneko zuzen finko baterainoko distantzia berdinak dira.</div></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><br /></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><br /></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><div>== Hiperbolaren fokuak ==</div></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><div>== Hiperbolaren fokuak ==</div></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><br /></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><br /></td> </tr> <tr> <td class="diff-marker" data-marker="−"></td> <td class="diff-deletedline diff-side-deleted"><div>'''[[Hiperbola]]ren fokuak''' bi dira. Hiperbolaren edozein <del class="diffchange diffchange-inline">puntutik</del> fokuetarainoko distantzien kendura ([[balio absolutu]]an) konstantea da.</div></td> <td class="diff-marker" data-marker="+"></td> <td class="diff-addedline diff-side-added"><div>'''[[Hiperbola]]ren fokuak''' bi dira. Hiperbolaren edozein <ins class="diffchange diffchange-inline">puntutatik</ins> fokuetarainoko distantzien kendura ([[balio absolutu]]an) konstantea da.</div></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><br /></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><br /></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><div>== Obaloaren fokuak ==</div></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><div>== Obaloaren fokuak ==</div></td> </tr> <tr> <td colspan="2" class="diff-lineno">23. lerroa:</td> <td colspan="2" class="diff-lineno">23. lerroa:</td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><div>'''[[Cassiniren obaloa]]ren fokuak''' bi dira.</div></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><div>'''[[Cassiniren obaloa]]ren fokuak''' bi dira.</div></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><br /></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><br /></td> </tr> <tr> <td class="diff-marker" data-marker="−"></td> <td class="diff-deletedline diff-side-deleted"><div>'''[[<del class="diffchange diffchange-inline">kartesiar</del> obalo]]aren fokuak''' bi dira.</div></td> <td class="diff-marker" data-marker="+"></td> <td class="diff-addedline diff-side-added"><div>'''[[<ins class="diffchange diffchange-inline">Kartesiar</ins> obalo]]aren fokuak''' bi dira.</div></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><br /></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><br /></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><div>[[Kategoria:Geometria elementala]]</div></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><div>[[Kategoria:Geometria elementala]]</div></td> </tr> </table><hr class='diff-hr' id='mw-oldid' /> <h2 class='diff-currentversion-title'>08:57, 17 iraila 2012ko berrikusketa</h2> <div class="mw-content-ltr mw-parser-output" lang="eu" dir="ltr"><figure typeof="mw:File/Thumb"><a href="/wiki/Fitxategi:Excentricidad.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/fb/Excentricidad.svg/280px-Excentricidad.svg.png" decoding="async" width="280" height="285" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/fb/Excentricidad.svg/420px-Excentricidad.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/fb/Excentricidad.svg/560px-Excentricidad.svg.png 2x" data-file-width="485" data-file-height="494" /></a><figcaption>F puntua elipsearen (gorriz), parabolaren (berdez) eta hiperbolaren (urdinez) fokua da.</figcaption></figure> <p><a href="/wiki/Geometria" title="Geometria">Geometrian</a>, kurba baten <b>fokua</b> planoko puntu finko bat (edo batzuk) da. Ikusiko dugunez, kurba horren puntuekin erlazionatutako hainbat distantzia konstanteak izaten dira fokua erreferentzia hartuta. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Zirkunferentziaren_fokua">Zirkunferentziaren fokua</h2></div> <p><b><a href="/wiki/Zirkunferentzia" title="Zirkunferentzia">Zirkunferentziaren</a> fokua</b> <a href="/wiki/Zentro_(geometria)" title="Zentro (geometria)">zentroa</a> da. Zirkunferentziaren edozein puntutatik zentrorainoko distantziak berdinak dira. </p> <div class="mw-heading mw-heading2"><h2 id="Elipsearen_fokuak">Elipsearen fokuak</h2></div> <p><b><a href="/wiki/Elipse" title="Elipse">Elipsearen</a> fokuak</b> bi dira. Elipsearen edozein puntutatik fokuetarainoko distantzien batura konstantea da. </p> <div class="mw-heading mw-heading2"><h2 id="Parabolaren_fokua">Parabolaren fokua</h2></div> <p><b><a href="/wiki/Parabola_(matematika)" title="Parabola (matematika)">Parabolaren</a> fokua</b> bakarra da. Parabolaren edozein puntutatik fokurainoko distantzia eta <a href="/wiki/Zuzentzaile_(geometria)" class="mw-redirect" title="Zuzentzaile (geometria)">zuzentzaile</a> izeneko zuzen finko baterainoko distantzia berdinak dira. </p> <div class="mw-heading mw-heading2"><h2 id="Hiperbolaren_fokuak">Hiperbolaren fokuak</h2></div> <p><b><a href="/wiki/Hiperbola" title="Hiperbola">Hiperbolaren</a> fokuak</b> bi dira. Hiperbolaren edozein puntutatik fokuetarainoko distantzien kendura (<a href="/wiki/Balio_absolutu" title="Balio absolutu">balio absolutuan</a>) konstantea da. </p> <div class="mw-heading mw-heading2"><h2 id="Obaloaren_fokuak">Obaloaren fokuak</h2></div> <p><b><a href="/wiki/Cassiniren_obaloa" class="mw-redirect" title="Cassiniren obaloa">Cassiniren obaloaren</a> fokuak</b> bi dira. </p><p><b><a href="/wiki/Kartesiar_obalo" title="Kartesiar obalo">Kartesiar obaloaren</a> fokuak</b> bi dira. </p></div><script>(RLQ=window.RLQ||[]).push(function(){mw.log.warn("Gadget \"ErrefAurrebista\" was not loaded. Please migrate it to use ResourceLoader. See \u003Chttps://eu.wikipedia.org/wiki/Berezi:Gadgetak\u003E.");});</script><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1&useformat=desktop" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">"<a dir="ltr" href="https://eu.wikipedia.org/w/index.php?title=Foku_(geometria)&oldid=3174957">https://eu.wikipedia.org/w/index.php?title=Foku_(geometria)&oldid=3174957</a>"(e)tik eskuratuta</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Berezi:Kategoriak" title="Berezi:Kategoriak">Kategoria</a>: <ul><li><a href="/wiki/Kategoria:Geometria_elementala" title="Kategoria:Geometria elementala">Geometria elementala</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> Orriaren azken aldaketa: 17 iraila 2012, 08:57.</li> <li id="footer-info-copyright">Testua <a rel="nofollow" class="external text" href="https://creativecommons.org/licenses/by-sa/4.0/deed.eu">Creative Commons Aitortu-PartekatuBerdin 4.0 lizentziari</a> jarraituz erabil daiteke; baliteke beste klausularen batzuk ere aplikatu behar izatea. 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