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  • Is the number $\left(3^7\right)\left(5^{11}\right)\left(15^5\right)$ a perfect square?Option: 1 YesOpti

Is the number $\left(3^7\right)\left(5^{11}\right)\left(15^5\right)$ a perfect square?

Option: 1

Yes


Option: 2

No


Option: 3

Cannot say


Option: 4

None of these


Answers (1)

best_answer

$3^{7} * 5^{11} * 15^{5}$

$\Rightarrow 3^{7 *} 5^{11} * 3^{5}*5^{5}$

$\Rightarrow\left(3^{6}* 5^{8}\right)^2$

$\Rightarrow$ Hence given number is perfect square

Posted by

Divya Prakash Singh

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