Question 1
Binary OperationsA binary operation Δ is defined on the set of real numbers, R, by x Δ y = √(x + y − xy/4), where x, y ∈ R. Find the value of 4 Δ 3.
- A.16
- B.8
- C.4
- D.2
Show the answer and explanation
Answer: D (2)
Explanation
4 Δ 3 = √(4 + 3 − 12/4) = √4 = 2.