Math, asked by parameshwarisanyal, 5 months ago

Evaluate (98)² using appropriate
formula

Answers

Answered by ffgggh

2

Answer:

(100-2)²

Identity -(a²+b²-2ab)

100²+2²-2(100)(2)

10000+4-400

=9604

Answered by sridevi15101976

1

Answer:

9604

Step-by-step explanation:

(98)²=

(90+8)²=90²+8²+2×90×8. (a+b)²=a²+b²+2ab

8100+64+1440=9604

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