Question

please answer this question friends.... please

Answer 1

C=a
The denominator of 1/3 cancels 12 and remaining 4 and 4 cancel.

Answer 2

a is the answer...

${ {a}^{3} }^{ \frac{1}{2} } = \sqrt{ {a}^{3} }$
${ \sqrt{ {a}^{3} } }^{ \frac{2}{3 } } = {a}^{ \frac{3 \times 2}{2 \times 3} }$
then....
${a}^{1}$
=a...

so the answer is option a