Find the square root of a $1521$ by first principle method (Vargamula method)

39

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49

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31

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41

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Solution

The correct option is A $39$
Square root by vargamula method
$1521 \Rightarrow$ factorize into its factors
$3 | 1521$
_____
$3 | 507$
_
$13 | 169$
_
$13 | 13$
_____
$1$
Therefore,
$\sqrt{729} = \sqrt{3 \times 3 \times 13 \times 13}$
$= 3 \times 13$
$= 39$ .

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State whether the following statement is true or false:

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Question 53

State whether the following statement is true or false:

The square root of 1521 is 31.

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