Question

ANS ... answer answer

Answer 1

here you go.........✌✌✌

Answer 2

$\frac{8 {a}^{3}}{27} = \frac{ {(2a)}^{3} }{ {3}^{3} }$
and

$\frac{ {b}^{3} }{8} = { ( \frac{b}{2} )}^{3}$
this become a³-b³ form.....

then use the formula to solve this