1.

Factorise the following:ab(x2+y2) - xy(a2+b2)please help fast​

Answer»

ong>ANSWER:

ABX 2 −aby 2 +xya 2 −xyb 2

abx 2 +xya 2 −aby 2 −xyb^ 2

ax(bx+ay)−by(ay+bx)

=(ax−by)(bx+ay)⇒(B)



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