Question

Please solve these questions
$1) \: {( \frac{ {15}^{ \frac{1}{4} } }{ {3}^{ \frac{1}{2} } }) }^{2} \\ 2) \: if \: \frac{ {9}^{n} \times {3}^{2} \times {( {3}^{ \frac{ - n}{2} } )}^{ - 2} - {(27)}^{2} }{ {3}^{3m} \times {2}^{3} } = \frac{1}{27} \: prove \: that \: m - n = \\ 1 \\ \: first \: question \: answer \: is \: \frac{3}{ {(15)}^{ \frac{1}{2} } } . \: i \: \: need \: explanation.$
​

Answer 1

Mark as Brainliest......