a ^ { 3 } + b ^ { 3 } = ( a + b ) ^ { 3 } - 3 a b ( a + b ) – InterviewSolution

InterviewSolution

1.	a ^ { 3 } + b ^ { 3 } = ( a + b ) ^ { 3 } - 3 a b ( a + b )
Answer» (a+b)^3 - 3ab(a+b)(a+b) {(a+b)^2 -3ab}(a+b)( a^2+b^2 -ab)a^3+ b^3

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