Math, asked by pawanaulakh066, 10 months ago

evaluate 2(481 ) by using identity

Answers

Answered by muditmahotramd

1

Answer:

1 step- (481)2

2 step- (490-9)2

3 step- (490)2 +(9)2 -2(490)(9)

using identity (a-b)2= a2 + b2 - 2ab

4 step- 240100+81-8820

5 step- 231361

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