The binary operation ⊕ is defined by x ∗ y = xy - y -
MATHEMATICS
JAMB 1998
The binary operation ⊕ is defined by x ∗ y = xy - y - x for all real values x and y. If x ∗ 3 = 2∗, find x
- A. -1
- B. 4
- C. 1
- D. 5
Correct Answer: C. 1
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