Subject :IMO Class : Class 8
Which of the following is the factor of
4a2 + b2 – 4ab + 2b – 4a + 1 ?
A(a – b)
B(a + b – 2)
C(a – b + 2)
D(2a – b – 1)
Ans 1: (Master Answer)
Class : Class 1
The correct answer is D.