Math, asked by shouryajain99, 2 months ago

9. Evaluate the following using identities :
(i) 99 x 101
(ii) 29.5 x 30.5

Answers

Answered by prithapaul35

2

Answer:

(100-1)(100+1)

100²+(1-1)100+(1×-1)

10000+0-1

9999

(30-0.5)(30+0.5)

899.75

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