If m is the square of a natural number

Question:

If $m$ is the square of a natural number $n$, then $n$ is

(a) the square of $m$

(b) greater than $m$

(c) equal to $m$

(d) $\sqrt{m}$

Solution:

(d) Given, $m$ is the square of $n, \mathrm{i}_{4} e . m=n^{2}$

Taking square root both sides, we get

$n=\sqrt{m}$

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