Question

The square root of (1.44*0.81/0.9*3.6)

$\mathbf{3}\mathbf{.}Thesquarerootof\left(\frac{1.44\times 0.81}{0.9\times 3.6}\right)is:$

Answer 1

Dear Student,
$$\begin{gathered} \sqrt{\left(\frac{1.44\times 0.81}{0.9\times 3.6}\right)} \\ =\sqrt{\frac{1.2\times 1.2\times 0.9\times 0.9}{3.24}} \\ =\frac{1.2\times 0.9}{1.8} \\ =\frac{1.2}{2} \\ =\mathbf{0}\mathbf{.}\mathbf{6} \end{gathered}$$
Regards