Answer:
The formula for A is 
The formula for H is 
Step-by-step explanation:
Consider the provided information.
We need to rewrite the formula to A and H.
The geometric mean formula is 
Where, G is the geometric mean, A is the arithmetic mean, and H is the harmonic mean.
Now we need to rewrite the formula for A and H.
Solve for A.

Squaring both sides.

Divide both the sides by H.

Hence, the formula for A is 
Solve for H.

Squaring both sides.

Divide both the sides by A.

Hence, the formula for H is 