if a # b = ab – b + b ^ 2, then 3 # 4 =  Choose the correct option.
A) 2
B) 8
C) 15
D) 24
E) 35
<gadget id="calculator">3 * 4</gadget>
<output>12</output>

<gadget id="calculator">12 - 4</gadget>
<output>8</output>

<gadget id="calculator">4 ** 2</gadget>
<output>16</output>

<gadget id="calculator">8 + 16</gadget>
<output>24</output>

<result>D</result>
if a # b = ab – b + b ^ 2, then 3 # 4 =
add(subtract(multiply(3, 4), 4), power(4, 2))
"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 = 24 . ans d"