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Questions  >>  CBSE XII  >>  Math  >>  Relations and Functions
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Determine whether or not each of the definition of $\ast$ given below gives a binary operation. In the event that $\ast$ is not a binary operation, give justification for this - On$ \; Z^+,\,$ defined $*\,$ by$\; a*b= a-b $

Note: This is part 1 of a 5 part question, split as 5 separate questions here.

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