Subject :IMO Class : Class 8
One of the factors of a2 - 2ab - c2 + b2 is ________.
A(a - b + c)
B(a + b + c)
C(a + b - c)
DNone of these
One of the factors of a2 - 2ab - c2 + b2 is ________.
A(a - b + c)
B(a + b + c)
C(a + b - c)
DNone of these