Question

calculati:$\sqrt{x} 144$ $\sqrt{x} 144 \sqrt{x} 81$ $\sqrt{x} 144 \sqrt{x} 81 \sqrt{x} 9/4$$\sqrt{x} 144 \sqrt{x} 81 \sqrt{x} 9/4$

Answer 1

$\sqrt{144}$=12
$\sqrt{81}$=9
$\sqrt \frac{9}{4}$=$\frac{3}{2}$