Question 7
Binary OperationsThe binary operation ⊗ is defined by a ⊗ b = 2a − 1. Find 3 ⊗ (2 ⊗ 1)
- A.3
- B.4
- C.5
- D.6
Show the answer and explanation
Answer: C (5)
Explanation
2 ⊗ 1 = 2(2) − 1 = 3. Then 3 ⊗ 3 = 2(3) − 1 = 5.
The binary operation ⊗ is defined by a ⊗ b = 2a − 1. Find 3 ⊗ (2 ⊗ 1)
Answer: C (5)
2 ⊗ 1 = 2(2) − 1 = 3. Then 3 ⊗ 3 = 2(3) − 1 = 5.