If x y x y2 find then value of 2 3 5 - JAMB Mathematics 2010 Question
If x * y = x + y2, find then value of (2*3)*5
A
36
B
25
C
11
D
55
correct option: a
x * y = x + y2
2 * 3 = 2 + 32
= 2 + 9
= 11
(2 * 3) * 5 = 11 + 52
= 11 + 25
= 36
2 * 3 = 2 + 32
= 2 + 9
= 11
(2 * 3) * 5 = 11 + 52
= 11 + 25
= 36
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