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Question

Evaluate the following using suitable identity,
213×187

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Solution

213×187
(200+13)(20013)
(200)2(13)2 [(a+b)(ab)=a2b2]
40000 - 169
39831

1185913_1349344_ans_9b3572f67eba4e73a23bbb07832976d2.jpg

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