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Write all the identities (i) (a+b)2 (ii) (a-b)2 (iii) (a+b)(a-b) (iv) (x+a)(x+b) |
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Answer» Identity I: (a + B)2 = a2 + 2ab + b2Identity III: a2 – b2= (a + b)(a – b)Identity IV: (x + a)(x + b) = x2 + (a + b) x + ab.Identity V: (a + b + C)2 = a2 + b2 + c2 + 2ab + 2bc + 2ca.Identity VI: (a + b)3 = a3 + B3 + 3ab (a + b) |
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