1.

Determine whether or not each of the definition of ∗ given below gives a binary operation. In the event that ∗ is not a binary operation, give justification for this. (iv) On Z+, defined a∗b=|a−b|

Answer»

Determine whether or not each of the definition of ∗ given below gives a binary operation. In the event that ∗ is not a binary operation, give justification for this.
(iv) On Z+, defined a∗b=|a−b|



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