Q. 63.6( 5 Votes )

Let A = {1, 2, 3} and R = {(a, b) : | a2 b2 | 5, a, b A}. Then write R as set of ordered pairs.

Answer :

Here,A={1,2,3}


R={(a,b) : |a2-b2|≤5,a,b ϵ A}


={(1,1),(1,2),(2,1),(2,2),(2,3),(3,2),(3,3)}


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