Solvefor y: x2 = a2 + b2 − 2aby

Answer 1

y: x2 = a2 + b2 − 2aby

I bet you mean

x^2 = a^2 + b^2 - 2 a b y

2 a b y = [a^2 + b^2 - x^2]

y = [a^2 + b^2 - x^2] / (2 a b)