Question

It is given that q=(h^2-k^2)/(3m). Express k in terms of q, m and h.

Answer 1

`q = (h^2-k^2)/(3m) \\ q(3m)=h^2-k^2 \\ q(3m)-h^2=-k^2 \\ h^2-q(3m)=k^2 \\ k= √(h^2-q(3m))`