Subject :IMO Class : Class 8
Factorise : (x - y)2 a2 + 2(x - y) (x + y) ab + b2 (x + y)2
A (ax - by) (ax + by)
B (ax + by) (bx + ay)
C (ax - ay + bx + by) (ax - ay + bx + by)
D (ax + ay + bx + by) (ax - ay + bx + by)
Ans 1:
Class : Class 9
C
Apply (a+b)^2=a^2+2ab+b^2