(a+b)3=a3+3xab+3ab2+b2y.Then x+y is always – InterviewSolution

1.	(a+b)3=a3+3xab+3ab2+b2y.Then x+y is always
Answer» $(a + b)^{3} = a^{3} + 3 x a b + 3 a b^{2} + b^{2} y$ .Then x+y is always

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