Question

smallest no. by which √125/ should be multiplied so as to get a rational no.

Answer 1

Answer:

√125=√5×5×5

=5√5

the smallest no. is 5

so, 5√5×5=25

Answer 2

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$\sqrt{125} = \sqrt{5×5×5}$

$\sqrt{125} = 5 \sqrt{5}$

So $\sqrt{5}$ should be multiplied to get a rational number.

$5 \sqrt{5} × \sqrt{5} = 5×5 = 25$

Hope it helps úh