Let A={1,2,3,4,6} and R be the relation on A defined by {(a,b):a,b∈A,b is exactly divisible by a} (i) Write R in roster form (ii) Find the domain of R (iii) Find the range of R
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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} (iii) Range of R={1,2,3,4,6}
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