Evaluate:
${(369)}^{2} - {(368)}^{2}$

777

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733

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773

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737

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Solution

The correct option is D 737
We know that $a^{2} - b^{2} = (a + b) (a - b)$

On comparing the given question with the identity, we have a = 369 and b = 368

$(369^{2} - 368^{2})$
$= (369 + 368) (369 - 368)$
$= 737 \times 1$
$= 737$

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