If a#b = ab – b + b^2, then 3#4 =	Select: A) 2 B) 8 C) 15 D) 24 E) 35
Solution -   Simply substitute 3 and 4 in equation in the place of a and b respectively.   3#4 = 3*4 - 4 + 4^2 = 12 - 4 + 16= 
<gadget id="calculator">12 - 4 + 16</gadget>
<output>24</output>
24. ANS 24
<result>D</result>
If a#b = ab – b + b^2, then 3#4 =