Question

H=L^2/f•c solve for L

Answer 1

±sqrt( H *f•c)= L

Explanation:

H=L^2/f•c

Multiply each side by fc

H *fc=L^2/f•c * fc

H *f•c=L^2

Take the square root of each side

±sqrt( H *f•c)= sqrt(L^2)

±sqrt( H *f•c)= L