1.

If A={1,2,3,5},B={4,6,9} and R={(a,b)| a in A,b in B, a-b is odd}, then a. Write R in roster form. b. Represent R by an arrow diagram.

Answer»


ANSWER :`R={(1,4),(1,6),(2,9),(3,4),(3,6),(5,4),(5,6)}`


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