let A={1,2,3,4} and B={5,7,8,9} be two sets and the relation R from A to B be defined as R={(a,b) belongs to A×B : |a-b| is an even no}. Then the no of elements of in the relation R is ?
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Step-by-step explanation:
R={ (1,5), (1,7),(1,9),(2,8),(3,5),(3,7),(3,9),(4,8)}
no. of elements are= 8....
.
this is your answer,........
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