Question

formula of squaring binomial (99 )square​

Answer 1

Answer:

9801

Explanation:

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We know the algebraic identity:

(a-b)²=a²-2ab+b²

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Now ,

99²

= (100-1)²

= 100² - 2*100*1 + 1²

= 10000 - 200 +1

= 10001 -200

= 9801

Therefore,

99² = 9801

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