please solve step by ster – InterviewSolution

1.	please solve step by ster
Answer» it's 9996Step-by-step EXPLANATION:Using the IDENTITY (x+a)(x+b) = X2+(a+b)x+abWriting 102 as 100+2 and 98 as 100−2Hence (100+2)(100−2) = 1002+[2+(−2)]100+(2)(−2)= 10000+(0)100−4= 9996The answer is 9996hope it's helpful

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