If A = [1, 3, 5] and B = [2, 4], list of elements of R, if
Question:

If A = [1, 3, 5] and B = [2, 4], list of elements of R, if

R = {(xy) : xy ∈ A × B and x > y}

Solution:

Given:

A = {1, 3, 5} and B = {2, 4}

R = {(xy) : xy ∈ A × B and x > y}

A × B = {(1,2),(1,4),(3,2),(3,4),(5,2),(5,4)}

As 3 > 2, 5 > 2 and 5 > 4,

we have R = {(3,2),(5,2),(5,4)}

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