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Question

For what value of * the statement $(\frac{}{15}) (\frac{}{135}) = 1$ is true?
$15 \sqrt{7}$
$25$
$35$
$45$

A

35

B

45

C

25

D

15 \sqrt{7}

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Solution

Verified by Toppr

$()^{2} = 15 \times 135 \Rightarrow ()^{2} = 225 \times 7 \Rightarrow * = 15 \sqrt{7}$

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