C would be the correct answer because you want to get H alone. since everything is connected to it, divide by everything except H because that is what you are finding. that leave h= whatever is left as v divided by the stuff connected to H. (the denominator and v as the numerator). the answer that matches that correct work is c.
Answer:
IDK MABY U
Step-by-step explanation:

Formula works when n=1
Assume the formula also works, when n=k.
Prove that the formula works, when n=k+1

Since the formula has been proven with n=1 and n=k+1, it is true. 