{"id":525,"date":"2025-09-02T16:12:42","date_gmt":"2025-09-02T16:12:42","guid":{"rendered":"https:\/\/onlineduniya.in\/?page_id=525"},"modified":"2026-09-23T21:18:54","modified_gmt":"2026-09-23T21:18:54","slug":"important-for-class-9th","status":"publish","type":"page","link":"https:\/\/onlineduniya.in\/?page_id=525","title":{"rendered":"Important for Class 9th"},"content":{"rendered":"<p class=\"wp-block-paragraph\">\u0915\u0915\u094d\u0937\u093e 9 \u092e\u0947\u0902 \u0917\u0923\u093f\u0924 \u0915\u0947 \u0938\u0942\u0924\u094d\u0930 \u0924\u092d\u0940 \u092f\u093e\u0926 \u0930\u0939\u0924\u0947 \u0939\u0948\u0902 \u091c\u092c \u0909\u0928\u094d\u0939\u0947\u0902 \u0938\u0935\u093e\u0932\u094b\u0902 \u092e\u0947\u0902 \u0932\u0917\u093e\u0924\u0947 \u0939\u0948\u0902\u0964 \u0928\u0940\u091a\u0947 \u0915\u0941\u091b \u092e\u0941\u0916\u094d\u092f \u0938\u0942\u0924\u094d\u0930 \u0914\u0930 \u090f\u0915 \u091b\u094b\u091f\u093e \u0909\u0926\u093e\u0939\u0930\u0923 \u0939\u0948\u0964 \u0905\u092a\u0928\u0940 \u092a\u0941\u0938\u094d\u0924\u0915 \u0915\u0947 chapter \u0914\u0930 \u0935\u0930\u094d\u0924\u092e\u093e\u0928 \u092a\u093e\u0920\u094d\u092f\u0915\u094d\u0930\u092e \u0938\u0947 \u092d\u0940 \u092e\u093f\u0932\u093e\u0928 \u0915\u0930\u0947\u0902\u0964<\/p><h2 class=\"wp-block-heading\">\u092e\u0941\u0916\u094d\u092f \u0938\u0942\u0924\u094d\u0930<\/h2><ul class=\"wp-block-list\"><li>\u092c\u0940\u091c\u0917\u0923\u093f\u0924: (a+b)\u00b2 = a\u00b2 + 2ab + b\u00b2; (a\u2212b)\u00b2 = a\u00b2 \u2212 2ab + b\u00b2\u0964<\/li><li>\u0935\u0930\u094d\u0917\u094b\u0902 \u0915\u093e \u0905\u0902\u0924\u0930: a\u00b2 \u2212 b\u00b2 = (a\u2212b)(a+b)\u0964<\/li><li>\u0924\u094d\u0930\u093f\u092d\u0941\u091c \u0915\u093e \u0915\u094d\u0937\u0947\u0924\u094d\u0930\u092b\u0932 = \u00bd \u00d7 \u0906\u0927\u093e\u0930 \u00d7 \u090a\u0901\u091a\u093e\u0908\u0964<\/li><li>\u092c\u0947\u0932\u0928 \u0915\u093e \u0906\u092f\u0924\u0928 = \u03c0r\u00b2h, \u091c\u0939\u093e\u0901 r \u0924\u094d\u0930\u093f\u091c\u094d\u092f\u093e \u0914\u0930 h \u090a\u0901\u091a\u093e\u0908 \u0939\u0948\u0964<\/li><\/ul><h2 class=\"wp-block-heading\">\u0905\u092d\u094d\u092f\u093e\u0938 \u092a\u094d\u0930\u0936\u094d\u0928<\/h2><p class=\"wp-block-paragraph\"><strong>\u092a\u094d\u0930\u0936\u094d\u0928:<\/strong> (x+3)\u00b2 \u0915\u093e \u0935\u093f\u0938\u094d\u0924\u093e\u0930 \u0915\u094d\u092f\u093e \u0939\u094b\u0917\u093e? <strong>\u0909\u0924\u094d\u0924\u0930:<\/strong> x\u00b2 + 6x + 9\u0964 \u092f\u0939\u093e\u0901 a=x \u0914\u0930 b=3 \u0930\u0916\u0947\u0902\u0964 \u092f\u093e\u0926 \u0915\u0930\u0928\u0947 \u0915\u093e \u0924\u0930\u0940\u0915\u093e: \u092a\u0939\u0932\u0947 \u0914\u0930 \u0906\u0916\u093f\u0930\u0940 \u092a\u0926 \u0915\u0947 \u0935\u0930\u094d\u0917 \u0915\u0947 \u092c\u0940\u091a 2ab \u0906\u0924\u093e \u0939\u0948\u0964<\/p><p class=\"wp-block-paragraph\">\u0930\u094b\u091c \u0926\u094b \u0938\u0942\u0924\u094d\u0930 \u091a\u0941\u0928\u0947\u0902, \u0909\u0928\u0915\u0947 \u0905\u0930\u094d\u0925 \u0932\u093f\u0916\u0947\u0902 \u0914\u0930 \u0939\u0930 \u0938\u0942\u0924\u094d\u0930 \u092a\u0930 \u0924\u0940\u0928 \u0938\u0935\u093e\u0932 \u0939\u0932 \u0915\u0930\u0947\u0902\u0964 <a href=\"https:\/\/onlineduniya.in\/?page_id=28\">\u0915\u0915\u094d\u0937\u093e 9 \u092a\u0941\u0938\u094d\u0924\u0915\u094b\u0902<\/a> \u0938\u0947 \u0914\u0930 \u0905\u092d\u094d\u092f\u093e\u0938 \u0915\u0930\u0947\u0902\u0964<\/p>","protected":false},"excerpt":{"rendered":"<p>\u0915\u0915\u094d\u0937\u093e 9 \u092e\u0947\u0902 \u0917\u0923\u093f\u0924 \u0915\u0947 \u0938\u0942\u0924\u094d\u0930 \u0924\u092d\u0940 \u092f\u093e\u0926 \u0930\u0939\u0924\u0947 \u0939\u0948\u0902 \u091c\u092c \u0909\u0928\u094d\u0939\u0947\u0902 \u0938\u0935\u093e\u0932\u094b\u0902 \u092e\u0947\u0902 \u0932\u0917\u093e\u0924\u0947 \u0939\u0948\u0902\u0964 \u0928\u0940\u091a\u0947 \u0915\u0941\u091b \u092e\u0941\u0916\u094d\u092f \u0938\u0942\u0924\u094d\u0930 \u0914\u0930 \u090f\u0915 \u091b\u094b\u091f\u093e \u0909\u0926\u093e\u0939\u0930\u0923 \u0939\u0948\u0964 &hellip; <\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-525","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/onlineduniya.in\/index.php?rest_route=\/wp\/v2\/pages\/525","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/onlineduniya.in\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/onlineduniya.in\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/onlineduniya.in\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/onlineduniya.in\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=525"}],"version-history":[{"count":1,"href":"https:\/\/onlineduniya.in\/index.php?rest_route=\/wp\/v2\/pages\/525\/revisions"}],"predecessor-version":[{"id":1199,"href":"https:\/\/onlineduniya.in\/index.php?rest_route=\/wp\/v2\/pages\/525\/revisions\/1199"}],"wp:attachment":[{"href":"https:\/\/onlineduniya.in\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=525"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}