Question: In Exercises 2 1 through 2 6 , determine whether the definition of does give a binary operation on the set. In the event that

In Exercises 21 through 26, determine whether the definition of does give a binary operation on the set. In the event that is not a binary operation, state whether Condition 1, Condition 2, or both conditions regarding defining binary operations are violated.
On Z+, define ab=ba.

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