${({x^5})^{1/3}}{(16{x^3})^{2/3}}$${\left( {{1 \over 4}{x^{4/9}}} \right)^{ - 3/2}} = $
${(x/4)^3}$
${(4x)^3}$
$8{x^3}$
None of these
The square root of $\frac{(0.75)^3}{1-(0.75)}+\left[0.75+(0.75)^2+1\right]$ is
If $x + \sqrt {({x^2} + 1)} = a,$ then $x =$
If ${{{{({2^{n + 1}})}^m}({2^{2n}}){2^n}} \over {{{({2^{m + 1}})}^n}{2^{2m}}}} = 1,$ then $m =$
$\root 4 \of {(17 + 12\sqrt 2 )} = $
The value of the fifth root of $10^{10^{10}}$ is