MATHEMATICS
JAMB 2009 - Question 19
Mathematics 2009 JAMB Past Questions - Question 19: A binary operation ⊗ defined on the set of integers is such that m⊗n = m + n + mn for all integers m and n. Find the inverse of -5 under this operation, if the identity element is 0?
A:
B:
C:
D:
Correct Answer
C

