If a#b = ab – b + b^2, then 3#6 =
Answers:	A) 2	B) 8	C) 15	D) 21	E) 48

Rationale: "solution - simply substitute 3 and 6 in equation in the place of a and b respectively . 3 # 6 = 3 * 6 - 6 + 6 ^ 2 = 18 - 6 + 36 = 48 . ans e"
Answer: E