{"id":36317,"date":"2026-05-05T17:16:34","date_gmt":"2026-05-05T11:16:34","guid":{"rendered":"https:\/\/mcqacademy.com\/bn\/mcq\/root-expression-from-sum-and-product-4-21\/"},"modified":"2026-05-05T17:16:34","modified_gmt":"2026-05-05T11:16:34","slug":"root-expression-from-sum-and-product-4-21","status":"publish","type":"mcq","link":"https:\/\/mcqacademy.com\/bn\/mcq\/root-expression-from-sum-and-product-4-21\/","title":{"rendered":"\u09af\u09cb\u0997\u09ab\u09b2 \u0993 \u0997\u09c1\u09a3\u09ab\u09b2 \u09a5\u09c7\u0995\u09c7 \u09ae\u09c2\u09b2\u09c7\u09b0 \u09b0\u09be\u09b6\u09bf\u09b0 \u09ae\u09be\u09a8 4 -21"},"content":{"rendered":"<p>\u09af\u09a6\u09bf \u03b1 \u098f\u09ac\u0982 \u03b2, x^2 &#8211; (4)x + (-21) = 0 \u09b8\u09ae\u09c0\u0995\u09b0\u09a3\u09c7\u09b0 \u09ae\u09c2\u09b2 \u09b9\u09af\u09bc, \u09a4\u09ac\u09c7 \u03b1^2 + \u03b2^2 \u09a8\u09bf\u09b0\u09cd\u09a3\u09af\u09bc \u0995\u09b0\u09cb\u0964<\/p>\n\n<ul class=\"quiz-options wp-block-list\">\n<li>63<\/li>\n<li>-26<\/li>\n<li>433<\/li>\n<li>58<\/li>\n<\/ul>\n","protected":false},"author":39,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","topic":[8551],"subject":[7852],"education_level":[8343],"class_list":["post-36317","mcq","type-mcq","status-publish","hentry","topic-algebra","subject-mathematics","education_level-hsc"],"mcq_note":"\u09a6\u09cd\u09ac\u09bf\u0998\u09be\u09a4 \u09b8\u09ae\u09c0\u0995\u09b0\u09a3 \u09b8\u09b0\u09be\u09b8\u09b0\u09bf \u09b8\u09ae\u09be\u09a7\u09be\u09a8 \u09a8\u09be \u0995\u09b0\u09c7 Vieta-\u098f\u09b0 \u09b8\u09c2\u09a4\u09cd\u09b0 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09cb\u0964 x^2 - (4)x + (-21) = 0 \u098f\u09b0 \u099c\u09a8\u09cd\u09af \u09ae\u09c2\u09b2 \u03b1 \u0993 \u03b2 \u09b9\u09b2\u09c7 \u03b1 + \u03b2 = 4 \u098f\u09ac\u0982 \u03b1\u03b2 = -21\u0964 \u0986\u09ae\u09be\u09a6\u09c7\u09b0 \u09a6\u09b0\u0995\u09be\u09b0 \u03b1^2 + \u03b2^2\u0964 \u09aa\u09b0\u09bf\u099a\u09bf\u09a4 \u09b8\u09c2\u09a4\u09cd\u09b0 \u09b9\u09b2\u09cb \u03b1^2 + \u03b2^2 = (\u03b1 + \u03b2)^2 - 2\u03b1\u03b2\u0964 \u09a4\u09be\u0987 \u03b1^2 + \u03b2^2 = (4)^2 - 2(-21) = 16 - (-42) = 58\u0964 \u09b8\u09c1\u09a4\u09b0\u09be\u0982 \u09b8\u09a0\u09bf\u0995 \u0989\u09a4\u09cd\u09a4\u09b0 58\u0964","mcq_options":[{"right":"no","answer":"63"},{"right":"no","answer":"-26"},{"right":"no","answer":"433"},{"right":"yes","answer":"58"}],"multi_answers":"no","subject_terms":[{"id":7852,"title":"\u0997\u09a3\u09bf\u09a4\u09b6\u09be\u09b8\u09cd\u09a4\u09cd\u09b0","slug":"mathematics"}],"topic_terms":[{"id":8551,"title":"Algebra","slug":"algebra"}],"_links":{"self":[{"href":"https:\/\/mcqacademy.com\/bn\/wp-json\/wp\/v2\/mcq\/36317","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mcqacademy.com\/bn\/wp-json\/wp\/v2\/mcq"}],"about":[{"href":"https:\/\/mcqacademy.com\/bn\/wp-json\/wp\/v2\/types\/mcq"}],"author":[{"embeddable":true,"href":"https:\/\/mcqacademy.com\/bn\/wp-json\/wp\/v2\/users\/39"}],"replies":[{"embeddable":true,"href":"https:\/\/mcqacademy.com\/bn\/wp-json\/wp\/v2\/comments?post=36317"}],"wp:attachment":[{"href":"https:\/\/mcqacademy.com\/bn\/wp-json\/wp\/v2\/media?parent=36317"}],"wp:term":[{"taxonomy":"topic","embeddable":true,"href":"https:\/\/mcqacademy.com\/bn\/wp-json\/wp\/v2\/topic?post=36317"},{"taxonomy":"subject","embeddable":true,"href":"https:\/\/mcqacademy.com\/bn\/wp-json\/wp\/v2\/subject?post=36317"},{"taxonomy":"education_level","embeddable":true,"href":"https:\/\/mcqacademy.com\/bn\/wp-json\/wp\/v2\/education_level?post=36317"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}