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Give me all formula of this book |
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Answer» Wrong ans Polynomials:(i) (a + b)2\xa0= a2\xa0+ 2ab + b2(ii) (a – b)2 = a2\xa0– 2ab + b2(iii) a2\xa0– b2\xa0= (a + b) (a – b)(iv) (a + b)3 = a3\xa0+ b3\xa0+ 3ab(a + b)(v) (a – b)3 = a3\xa0– b3\xa0– 3ab(a – b)Polynomials:(i) (a + b)2 = a2 + 2ab + b2(ii) (a – b)2 = a2 – 2ab + b2(iii) a2 – b2 = (a + b) (a – b)(iv) (a + b)3 = a3 + b3 + 3ab(a + b)(v) (a – b)3 = a3 – b3 – 3ab(a – b)(vi) a3 + b3 = (a + b) (a2 – ab + b2)(vii) a3 – b3 = (a – b) (a2 + ab + b2)(viii) a4 – b4 = (a2)2 – (b2)2 = (a2 + b2) (a2 – b2) = (a2 + b2) (a + b) (a – b)(ix) (a + b + c) 2 = a2 + b2 + c2 + 2ab + 2bc + 2ac(vi) a3\xa0+ b3\xa0= (a + b) (a2\xa0– ab + b2)(vii) a3\xa0– b3 = (a – b) (a2\xa0+ ab + b2)(viii) a4\xa0– b4\xa0= (a2)2\xa0– (b2)2\xa0= (a2\xa0+ b2)\xa0(a2\xa0– b2) = (a2\xa0+ b2)\xa0(a + b) (a – b)(ix) (a + b + c)\xa02 = a2\xa0+ b2\xa0+ c2\xa0+ 2ab + 2bc + 2ac |
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