{"id":10117,"date":"2012-02-26T06:32:00","date_gmt":"2012-02-26T06:32:00","guid":{"rendered":"http:\/\/melotopia.net\/b\/?p=10117"},"modified":"2012-02-26T06:32:00","modified_gmt":"2012-02-26T06:32:00","slug":"%eb%a1%9c%ed%94%bc%ed%83%88-%ec%a0%95%eb%a6%ac","status":"publish","type":"post","link":"http:\/\/melotopia.net\/b\/?p=10117","title":{"rendered":"\ub85c\ud53c\ud0c8 \uc815\ub9ac"},"content":{"rendered":"<div class=\"desc\">\n<a href=\"http:\/\/ko.wikipedia.org\/wiki\/%EB%A1%9C%ED%94%BC%ED%83%88%EC%9D%98_%EC%A0%95%EB%A6%AC\" target=\"_blank\" title=\"[http:\/\/ko.wikipedia.org\/wiki\/%EB%A1%9C%ED%94%BC%ED%83%88%EC%9D%98_%EC%A0%95%EB%A6%AC]\ub85c \uc774\ub3d9\ud569\ub2c8\ub2e4.\"><br \/>\n         http:\/\/ko.wikipedia.org\/wiki\/%EB%A1%9C%ED%94%BC%ED%83%88%EC%9D%98_%EC%A0%95%EB%A6%AC<br \/>\n        <\/a><br \/>\n<br \/>\n        \uc704\ud0a4\ubc31\uacfc\uc758 \ub85c\ud53c\ud0c8 \uc815\ub9ac \ubd80\ubd84\uc744 \ucc38\uc870\ud558\uc790.<\/p>\n<p>        \ub85c\ud53c\ud0c8\uc758 \uc815\ub9ac\ub294 \ub3c4\ud568\uc218\uc758 \uadf9\ud55c\uacfc \uc6d0\ub798 \ud568\uc218\uc758 \uadf9\ud55c\uc744 \uc774\uc5b4\uc8fc\ub294 \uc815\ub9ac\uc774\ub2e4.<\/p>\n<p>        \uadf8 \ub0b4\uc6a9\uc740 \uc2e4\uc218\uac12\uc744 \uac16\ub294 \ub450 \ud568\uc218 f(x)\uc640 g(x)\uac00 x=a\uc5d0\uc11c f(a)=g(a)=0\uc774\ub77c\uace0 \ud560 \ub54c, \ub450 \ud568\uc218\ub97c \ub098\ub204\uc5b4\uc900 \ud568\uc218\uc778 (f\/g)(x)\uc758 x\uac00 a\ub85c \uc218\ub834\ud558\ub294 \uacbd\uc6b0\uc758 \uadf9\ud55c\uc774 f\uc640 g\uc758 \ub3c4\ud568\uc218\ub07c\ub9ac \ub098\ub204\uc5b4 \uc900 f&#8217;\/g&#8217;\uc758 \uadf9\ud55c\uacfc \uac19\ub2e4\ub294 \uc815\ub9ac\uc774\ub2e4. \uc5c4\ubc00\ud55c \ub0b4\uc6a9\uc740 \uc704\ud0a4 \ubc31\uacfc\ub97c \ucc38\uc870\ud558\uc790.<\/p>\n<p>        \uadf8\ub7f0\ub370, W. Rudin\uc758 &#8220;Principles of Mathematical analysis, 3rd Edition&#8221;\uc744 \uc77d\ub2e4\uac00, \ub85c\ud53c\ud0c8 \uc815\ub9ac\uc758 \uac00\uc815\uc5d0 \ud559\uad50\uc5d0\uc11c \ubc30\uc6b4 \ub0b4\uc6a9\uacfc \ub2e4\ub978\uac8c \uc788\uc5c8\ub2e4. \uac00\ub839 f\uc640 g\uac00 x\uac00 a\ub85c \uc218\ub834\ud560 \ub54c \ub458 \ub2e4 \ubb34\ud55c\ub300\ub85c \ubc1c\uc0b0\ud558\ub294 \uacbd\uc6b0\uc778\ub370, \ub8e8\ub518 \ucc45\uc758 \ub85c\ud53c\ud0c8 \uc815\ub9ac\uc758 \uac00\uc815\uc5d0\ub294 \uc774 \uacbd\uc6b0\uc5d0 \ubd84\uc790\uc778 f\ub294 \ubb34\ud55c\ub300\ub85c \ubc1c\uc0b0\ud574\uc57c \ud55c\ub2e4\ub294 \ubd80\ubd84\uc5d0 \ub300\ud55c \uc5b8\uae09\uc774 \uc5c6\ub2e4.<\/p>\n<p>        \ub8e8\ub518 \ucc45\uc740 \uc778\ud130\ub137\uc5d0 \ub3cc\uc544\ub2e4\ub2c8\uae34 \ud558\ubbc0\ub85c \uad81\uae08\ud558\uba74 \uc0ac\uc11c \ubcf4\uac70\ub098 \ucc3e\uc544\ubcf4\ub3c4\ub85d \ud558\uc790.<br \/>\n        <br \/>\n<a href=\"http:\/\/math.stackexchange.com\/questions\/62916\/how-to-show-that-lim-limits-x-to-infty-fx-0-implies-lim-limits-x\" target=\"_blank\" title=\"[http:\/\/math.stackexchange.com\/questions\/62916\/how-to-show-that-lim-limits-x-to-infty-fx-0-implies-lim-limits-x]\ub85c \uc774\ub3d9\ud569\ub2c8\ub2e4.\"><br \/>\n         http:\/\/math.stackexchange.com\/questions\/62916\/how-to-show-that-lim-limits-x-to-infty-fx-0-implies-lim-limits-x<br \/>\n        <\/a><br \/>\n<br \/>\n        \uc704\uc758 \uae00\uc5d0\uc11c Bill Dubuque \uac00 \ub313\uae00 \ub2e8 \ubd80\ubd84\uc5d0 \ud574\ub2f9 \ubd80\ubd84\uc744 \uc778\uc6a9\ud574 \ub450\uc5c8\ub2e4.<\/p>\n<p>        \uadf8\ub798\uc11c \ub8e8\ub518 \ucc45\uc5d0 \uc624\ud0c0\uac00 \uc788\ub098 \uc2f6\uc5b4\uc11c \ucc3e\uc544\ubd24\ub294\ub370 \uadf8\uac83\ub3c4 \uc544\ub2cc \ub4ef \uc2f6\ub2e4.<br \/>\n        <br \/>\n<a href=\"http:\/\/math.berkeley.edu\/%7Egbergman\/ug.hndts\/m104_Rudin_notes.pdf\" target=\"_blank\" title=\"[http:\/\/math.berkeley.edu\/~gbergman\/ug.hndts\/m104_Rudin_notes.pdf]\ub85c \uc774\ub3d9\ud569\ub2c8\ub2e4.\"><\/p>\n<p><a href=\"http:\/\/math.berkeley.edu\/~gbergman\/ug.hndts\/m104_Rudin_notes.pdf\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">m104_Rudin_notes.pdf\uc5d0 \uc561\uc138\uc2a4\ud558\ub824\uba74 \ud074\ub9ad\ud558\uc138\uc694.<\/a><\/p>\n<p>        <\/a><\/p>\n<p>        \ubb50, \uc544\ubb34\ud2bc. \uc624\ud0c0\uac00 \uc788\uc73c\uba74 \uad50\uc218\ub4e4\uc774 \uc624\ud0c0\ub97c \uc774\uc57c\uae30 \ud588\uc744 \uac83\uc774\uace0, \uac80\uc0c9\ud558\uba74 \ub098\uc624\ub294 \ubc95\uc774\ub2c8 \uc624\ud0c0\ub294 \uc544\ub2cc \uac83 \uac19\ub2e4. \uc0ac\uc2e4 \uc624\ud0c0\uac74 \uc544\ub2c8\uac74\uac04\uc5d0 \uc99d\uba85\uc744 \uae4a\uc774 \uc774\ud574\ud558\uace0 \uc2a4\uc2a4\ub85c \ub9de\ub294\uc9c0 \ud2c0\ub9ac\ub294\uc9c0 \uc0dd\uac01\ud574 \ubcf4\uba74 \ub418\ub294 \ubb38\uc81c\uc778\ub370, \uc544\uc9c1 \uc218\ud559\uc801\uc73c\ub85c\ub294 \uadf8\uc815\ub3c4 \ub0b4\uacf5\uc774 \uc313\uc5ec\uc788\uc9c0 \ubabb\ud574\uc11c \uac80\uc0c9\uc744 \uc0ac\uc6a9\ud558\uc600\ub2e4.<\/p>\n<p>        \uc5b4\uca0c\ub4e0 \uadf8\ub807\ub2e4 \uce58\uc790. \uadf8\ub7fc \uc9c0\uae08\uae4c\uc9c0 \ubc30\uc6b4 \ub85c\ud53c\ud0c8 \uc815\ub9ac\ub294 \ubb54\uac00 \ud2c0\ub9b0 \ub0b4\uc6a9\uc774\uc5c8\ub2e4\ub294 \ub73b\uc774\ub2e4. \ubb3c\ub860 0\/0\ud615\ud0dc\ub294 \ub9de\ub294 \ub0b4\uc6a9\uc774\ub2e4. \ud765\ubbf8\ub85c\uc6b4\uac74, \ubb34\ud55c\ub300\/\ubb34\ud55c\ub300 \ub0b4\uc6a9\uc5d0\uc11c, \uc99d\uba85\uc5d0 \ubd84\uc790\uac00 \ubb34\ud55c\ub300\ub77c\ub294 \uac00\uc815\uc774 \ub4e4\uc5b4\uac00\uc9c0 \uc54a\ub294\ub2e4\ub294 \ubd80\ubd84\uc774\ub2e4. \uc65c \uadf8\ub7f0\uc9c0 \uc798 \ubaa8\ub974\uaca0\uc9c0\ub9cc, \uc544\ubb34\ud2bc \ucc45\uc744 \ub2e4 \uc77d\uace0 \ub098\uc911\uc5d0 \uc774 \ubd80\ubd84\ub9cc \uae4a\uc774\uc788\uac8c \ub2e4\uc2dc \uc77d\uc5b4\ubd10\uc57c\uaca0\ub2e4.<br \/>\n        <\/p>\n<div style=\"width:100%;margin-top:30px;clear:both;height:30px\">\n<div style=\"width:31px;float:left;\">\n<a href=\"\/toolbar\/popup\/abuseReport\/?entryId=2948\" onclick=\"window.open(this.href, 'tistoryThisBlogPopup', 'width=550, height=510, toolbar=no, menubar=no, status=no, scrollbars=no'); return false;\"><br \/>\n<img data-recalc-dims=\"1\" decoding=\"async\" alt=\"\uc2e0\uace0\" src=\"https:\/\/i0.wp.com\/t1.daumcdn.net\/tistory_admin\/static\/ico\/ico_spam_report.png\" style=\"border:0\"\/><br \/>\n<\/a>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>http:\/\/ko.wikipedia.org\/wiki\/%EB%A1%9C%ED%94%BC%ED%83%88%EC%9D%98_%EC%A0%95%EB%A6%AC \uc704\ud0a4\ubc31\uacfc\uc758 \ub85c\ud53c\ud0c8 \uc815\ub9ac \ubd80\ubd84\uc744 \ucc38\uc870\ud558\uc790. \ub85c\ud53c\ud0c8\uc758 \uc815\ub9ac\ub294 \ub3c4\ud568\uc218\uc758 \uadf9\ud55c\uacfc \uc6d0\ub798 \ud568\uc218\uc758 \uadf9\ud55c\uc744 \uc774\uc5b4\uc8fc\ub294 \uc815\ub9ac\uc774\ub2e4. \uadf8 \ub0b4\uc6a9\uc740 \uc2e4\uc218\uac12\uc744 \uac16\ub294 \ub450 \ud568\uc218 f(x)\uc640 g(x)\uac00 x=a\uc5d0\uc11c f(a)=g(a)=0\uc774\ub77c\uace0 \ud560 \ub54c, \ub450 \ud568\uc218\ub97c \ub098\ub204\uc5b4\uc900 \ud568\uc218\uc778 (f\/g)(x)\uc758 x\uac00 a\ub85c \uc218\ub834\ud558\ub294 \uacbd\uc6b0\uc758 \uadf9\ud55c\uc774 f\uc640 g\uc758 \ub3c4\ud568\uc218\ub07c\ub9ac \ub098\ub204\uc5b4 \uc900 f&#8217;\/g&#8217;\uc758 \uadf9\ud55c\uacfc \uac19\ub2e4\ub294 \uc815\ub9ac\uc774\ub2e4. \uc5c4\ubc00\ud55c \ub0b4\uc6a9\uc740 \uc704\ud0a4 \ubc31\uacfc\ub97c \ucc38\uc870\ud558\uc790. \uadf8\ub7f0\ub370, W. Rudin\uc758 &#8220;Principles [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_crdt_document":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[2],"tags":[],"class_list":["post-10117","post","type-post","status-publish","format-standard","hentry","category-academic"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p8o6gA-2Db","jetpack-related-posts":[],"jetpack_likes_enabled":true,"_links":{"self":[{"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/posts\/10117","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10117"}],"version-history":[{"count":0,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/posts\/10117\/revisions"}],"wp:attachment":[{"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10117"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10117"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10117"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}