All others are equal except (C).
Which of the following expressions are different in value?
(A) (2x + 3y)2
(B) (2x + y)2 + 8y(x + y)
(C) (2x – y)2 – 8y(x + y)
(D) 22(x + y)2 + 4xy + 5y2
A: A and B
B: B and C only
C: A, B and D only
D: B and D only
E: All are different