Simplify(a2 – b2 ) – InterviewSolution

1.	Simplify(a2 – b2 )
Answer» -STEP EXPLANATION:This is derived by the formula of(a+B) 2 =a 2 +b 2 +2ab&(a−b) 2 =a 2 +b 2 −2abThen,a 2 +b 2 =(a+b) 2 −2aba 2 +b 2 =(a−b) 2 −2abHence, this is the answer.

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