Asked by peter
If a @ b is defined for all positive integers a and b by the equation a @ b = a(b-a),then 4 @ (3 @ 5)=
1. 2
2. 6
3. 8
4. 22
5. 28
1. 2
2. 6
3. 8
4. 22
5. 28
Answers
Answered by
Steve
3@5 = 3(5-3) = 6, so
4@(3@5) = 4@6 = 4(6-4) = 8
4@(3@5) = 4@6 = 4(6-4) = 8
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