The correct option is D 3481⇒ 59^2 = (60 1)^2 = (60^2 + 1^2 2(60)(1) ) = (3600 + 1 120) = (3480 + 1) = 3481 ...

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Square of a Number

592=

Question

$59^{2} =$

3841

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3861

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3681

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3481

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Solution

The correct option is D $3481$
$\Rightarrow 59^{2}$
$= (60 - 1)^{2}$
$= (60^{2} + 1^{2} - 2 (60) (1))$
$= (3600 + 1 - 120)$
$= (3480 + 1)$
$= 3481$

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Question 16

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