Find the square root of $324$ .

18

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16

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28

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24

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Solution

The correct option is A $18$
The prime factorization of 324 is given as
$324 = 2 \times 2 \times 3 \times 3 \times 3 \times 3$
$\sqrt{324} = \sqrt{(2 \times 2) \times (3 \times 3) \times (3 \times 3)} = 2 \times 3 \times 3 = 18$
$∴ \sqrt{324} = 18$ .

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Similar questions

16 - 2 \sqrt{20} - 2 \sqrt{28} + 2 \sqrt{35}

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