Question

please mate answer this question it is urgent please ​

Answer 1

Answer:

9996

Step-by-step explanation:

102 × 98

(100 + 2) × (100 - 2)

(100)^2 - (2)^2

10000 - 4

9996

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Answer 2

Answer:

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