{"id":395,"date":"2025-10-11T14:19:09","date_gmt":"2025-10-11T14:19:09","guid":{"rendered":"http:\/\/saegil-lab.kr\/?p=395"},"modified":"2025-10-23T05:32:34","modified_gmt":"2025-10-23T05:32:34","slug":"latexpage-%ec%9b%90%ec%9d%98-%eb%a9%b4%ec%a0%81-spi-r2-%ec%a6%9d%eb%aa%85-1","status":"publish","type":"post","link":"https:\/\/saegil-lab.kr\/?p=395","title":{"rendered":"\uc6d0\uc758 \uba74\uc801 \"S=\pi r^2\" \uc99d\uba85 1"},"content":{"rendered":"\n

<\/p>\n\n\n

\n
\"\"<\/figure>\n<\/div>\n\n\n

\uc6d0\uc758 \uba74\uc801\uc744 \uad6c\ud558\uae30 \uc704\ud574 \ubc18\uc9c0\ub984\uc774 \"r\"\uc778 \uc6d0\uc744 \uadf8\ub9ac\uace0 \ubbf8\uc18c\ubc18\uc9c0\ub984 \"dr\"\ub9cc\ud07c \ub354 \ud070 \uc6d0\uc744 \uadf8\ub838\uc744 \ub54c \uadf8 \uc0ac\uc774\uc758 \ubbf8\uc18c\uba74\uc801\uc744 \"dS\"\ub77c\uace0 \ud558\uba74 \ub2e4\uc74c\uacfc \uac19\uc774 \uc4f8 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n

  <\/span>   <\/span>\"\[ dS = 2 \pi r dr \]\"<\/p><\/p>\n\n\n\n

\uc804\uccb4 \uba74\uc801\uc744 \uacc4\uc0b0\ud558\uae30 \uc704\ud574 \"r\"\uc744 0\uc5d0\uc11c \"r\"\uae4c\uc9c0 \uc801\ubd84\ud558\uba74 \ub2e4\uc74c\uacfc \uac19\uc774 \uc6d0\uc758 \uba74\uc801\uc744 \uacc4\uc0b0\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n

  <\/span>   <\/span>\"\[ S = \int_0^r dS = \int_0^r 2\pi r dr = 2 \pi \left [ \frac{1}{2} r^2 \right ]_0^r = \pi r^2 \]\"<\/p><\/p>\n","protected":false},"excerpt":{"rendered":"

\uc6d0\uc758 \uba74\uc801\uc744 \uad6c\ud558\uae30 \uc704\ud574 \ubc18\uc9c0\ub984\uc774 \uc778 \uc6d0\uc744 \uadf8\ub9ac\uace0 \ubbf8\uc18c\ubc18\uc9c0\ub984 \ub9cc\ud07c \ub354 \ud070 \uc6d0\uc744 \uadf8\ub838\uc744 \ub54c \uadf8 \uc0ac\uc774\uc758 \ubbf8\uc18c\uba74\uc801\uc744 \ub77c\uace0 \ud558\uba74 \ub2e4\uc74c\uacfc \uac19\uc774 \uc4f8 \uc218 \uc788\ub2e4.     \uc804\uccb4 \uba74\uc801\uc744 \uacc4\uc0b0\ud558\uae30 \uc704\ud574 \uc744 0\uc5d0\uc11c \uae4c\uc9c0 \uc801\ubd84\ud558\uba74 \ub2e4\uc74c\uacfc \uac19\uc774 \uc6d0\uc758 \uba74\uc801\uc744 \uacc4\uc0b0\ud560 … \uacc4\uc18d \uc77d\uae30 →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[21,20,19,18],"class_list":["post-395","post","type-post","status-publish","format-standard","hentry","category-13","tag-pi","tag-pi-r2","tag-19","tag-18"],"_links":{"self":[{"href":"https:\/\/saegil-lab.kr\/index.php?rest_route=\/wp\/v2\/posts\/395","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/saegil-lab.kr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/saegil-lab.kr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/saegil-lab.kr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/saegil-lab.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=395"}],"version-history":[{"count":5,"href":"https:\/\/saegil-lab.kr\/index.php?rest_route=\/wp\/v2\/posts\/395\/revisions"}],"predecessor-version":[{"id":609,"href":"https:\/\/saegil-lab.kr\/index.php?rest_route=\/wp\/v2\/posts\/395\/revisions\/609"}],"wp:attachment":[{"href":"https:\/\/saegil-lab.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=395"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/saegil-lab.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=395"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/saegil-lab.kr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=395"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}