Question

solve all of these ?

Answer 1

21 Answer:

$\frac{3}{a}$

22 Answer:

$\frac{1}{ {b}^{3} }$

23 Answer:

$\frac{ {4a}^{2}c^{3} }{ {b}^{2} }$

24 Answer:

$9c ^{4}$

25 Answer:

$- \frac{1}{ {a}^{2} }$

26 Answer:

$\frac{1}{ {c}^{2} }$