Subject :IMO Class : Class 8
One of the factors of (p + q)2 – (a – b)2 + p + q – a + b is
A (p + q + a + b)
B (p + q – a + b)
C (p – q + a – b)
D (p – q + a + b)
One of the factors of (p + q)2 – (a – b)2 + p + q – a + b is
A (p + q + a + b)
B (p + q – a + b)
C (p – q + a – b)
D (p – q + a + b)