formula of squaring binomial (99 )square
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Answer:
9801
Explanation:
______________________
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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