Question

factorize the following:(ax + by)² + (bx - ay)²

Answer 1

Answer:

(ax)^2+(by)^2+2abxy+(bx)^2+(ay)^2-2abxy

x^2(a^2+b^2)+y^2(b^2+a^2)

(x^2+y^2)(a^2+b^2)