use the identity method to find the value of the problems given below (97)^2
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Answer:
(97)² = (100 -3)²
here we use the identity (a-b)²=a²+b²-2ab
(100-3)²= 100²+3²-2 ×100×3
=10000+9 -600
=10009-600
=9409
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