a plus b ka whole cube ka formula
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a square plus 2 ab plus b square
VarshaD:
He had asked for Whole cube ..not whole square
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(a+b)^3=a^3+3ba^2+3ab^2+b^3
=a^3+b^3+3ab (a+b)
=a^3+b^3+3ab (a+b)
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