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Factorise: (a) a3 + 343b3 (b) 27p3+q3 |
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Answer» Answer: HII mate... sol:- (a) (a)^3+(7b)^3 = (a+B) ( a^2+b^2+ab) (a+7b) ( a^2+7b^2+7ab) (b) (3P)^3+(q)^3 (3p+q) (3p^2+q^2+3p*q) (3p+q) (9p^2+q^2+3pq) |------------------------| a^3+b^3 = (a+b) ( a^2+b^2+ab) |------------------------| Hope it helps U... |
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