If a#b = ab – b + b^2, then 3#6 =
Pick one:
A) 2 B) 8 C) 15 D) 21 E) 48
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= 
<gadget id="calculator">18 - 6 + 36</gadget>
<output>48</output>
48. ANS 48
<result>E</result>
If a#b = ab – b + b^2, then 3#6 =