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$\\displaystyle \\int_{0}^{1}\\frac{x^{4}\\left( 1-x\\right) ^{4}}{1+x^{2}}dx=\\frac{22}{7}-\\pi$ <\/a><\/p>\n

$\\kappa =\\dfrac{d\\psi }{ds}=\\dfrac{\\dfrac{d^{2}y}{dx^{2}}}{\\left( 1+\\left( \\dfrac{dy}{dx}\\right) ^{2}\\right) ^{\\frac{3}{2}}}=\\dfrac{\\overset{.}{x}\\overset{..}{y}-\\overset{..}{x}\\overset{.}{y}}{\\left( \\overset{.}{x}^{2}+\\overset{.}{y}^{2}\\right) ^{\\frac{3}{2}}}$ <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3","post","type-post","status-publish","format-standard","hentry","category-general"],"_links":{"self":[{"href":"https:\/\/sixthform.info\/steve\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/3","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sixthform.info\/steve\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sixthform.info\/steve\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sixthform.info\/steve\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sixthform.info\/steve\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3"}],"version-history":[{"count":0,"href":"https:\/\/sixthform.info\/steve\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/3\/revisions"}],"wp:attachment":[{"href":"https:\/\/sixthform.info\/steve\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sixthform.info\/steve\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sixthform.info\/steve\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}