1.

let A={1,3,5} and B={2,4,6} where R belong to (x,y) and (x,y) belong to A×B I.e (x-y)/2 is an integer write R in roster form ​

Answer»

A={1,2,3,4,6}

R={(a,b):a,b∈A,b is EXACTLY divisible by a}

(i) R={(1,1),(1,2),(1,3),(1,4),(1,6),(2,2),(2,4),(2,6),(3,3),(3,6),(4,4),(6,6)}

(II) Domain of R={1,2,3,4,6}


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