A binary operation ⊕ defined on the set of real number is such that x⊕y...
MATHEMATICS
JAMB 2006
A binary operation ⊕ defined on the set of real number is such that x⊕y = xy/6 for all x, y ∈ R. Find the inverse of 20 under this operation when the identity element is 6
- A. 1/12
- B. 10/3
- C. 1/20
- D. 9/5
Correct Answer: D. 9/5
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