Question

Factorise ab(x^2+y^2)-xy(a^2+b^2)

Answer 1

Answer:

Answer:

Step-by-step explanation:abx2 + aby2 - a2xy + b2xy

= abx2 - a2xy - b2xy + aby2

= ax ( bx - ay) - by ( bx - ay)

= ( bx - ay) ( ax - by)

Step-by-step explanation: