Question

using indentify find 102×98​

Answer 1

Answer:

9996

Step-by-step explanation:

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Answer 2

Hey Mate!!

Given ; 102 × 98

Using the identity (x+a)(x+b) = x^2+(a+b)x+ab

Writing 102 as 100+2 and 98 as 100−2

Hence (100+2)(100−2) = 100^2+[2+(−2)]100+(2)(−2)

= 10000+(0)100−4

= 9996

The answer is 9996