Answer:
Step-by-step explanation:
I need help too
Answer:

Step-by-step explanation:
We want to simplify:

We rewrite the expression under the radical sign to obtain:

We split the expression under the radical sign to get:

Recall that:

This implies that:

Therefore 
Answer:
(p / q^2 √r)
Just make x, y, z into p, q, r.
Very simple!