Jambmaths question:
A binary operation on the set of real number is defined by $x*y=\frac{x+y}{2}$ for all x, y$\in $N. Find 7*5
Option A:
8
Option B:
9
Option C:
5
Option D:
6
Jamb Maths Solution:
$7*5=\frac{7+5}{2}=\frac{12}{2}=6$
Jamb Maths Topic:
Year of Exam: