Jambmaths question:
The binary operation* is defined on the set of integers such that $p*q=pq+p-q$. Find $2*(3*4)$
Option A:
11
Option B:
13
Option C:
18
Option D:
22
Jamb Maths Solution:
$\begin{align} & 3*4=3\times 4+3-4=11 \\ & 2*(3*4)=2*11=2\times 11+2-11=13 \\\end{align}$
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