Using suitable identities, evaluate the following. 47 53 - Vidyadip

Question

Using suitable identities, evaluate the following. $47 \times 53$

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Answer

$47 \times 53$
$= (50 - 3)(50 + 3)$
$= (50)^2- (3)^2$
$= 2500 - 9$
$= 2491$

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