Question

Please solve this problem ​

Answer 1

"refer the attached file"

Answer 2

$= \frac{(48 ^{ - 2} ) \times (64) \frac{1}{2} }{(24)} ^{ - 1}$

$= \frac{2}{48} \times 24 \times ( {8)}^{2} \frac{1}{2}$

$= 8$