Examples

$121$

Step 1

A perfect square number is an integer that is the square of another integer. $\sqrt{121} = 11$ , which is an integer number.

$\sqrt{121} = 11$

Step 2

Since $121$ is the square of $11$ , it is a perfect square number.

$121$ is a perfect square number

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$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$