Question

Let A={2,3,4,5},B={2,3,18,0,15,20,9,25} and R means "greater than". In set form

ARB=

Answer 1

$A\,\,R\,\, B = \{(2,0), (3, 2), (3,0), (4, 0), \\(4, 2), (4, 3), (5, 0), (5, 2), (5, 3)\}$