Jambmaths question:
The binary operation $*$ is defined on the set of integers p and q by $p*q=pq+p+q,$find $2*(3*4)$
Option A:
59
Option B:
19
Option C:
67
Option D:
38
Jamb Maths Solution:
$\begin{align} & p*q=pq+p+q, \\ & 3*4=3\times 4+3+4=19 \\ & 2*(3*4)=2*19 \\ & =2\times 19+2+19 \\ & =59 \end{align}$
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