Question

let A = {−4, 4, 5, 8} and B = {4, 5, 6} and define relations...

let A = {−4, 4, 5, 8} and B = {4, 5, 6} and define relations R and S from A to B as follows:

For all elements (x in A , y in B) , x R y ⇔ |x| = |y| + 1 and x S y ⇔ x /y is an integer.

1. Find A X B and A intersect B.

2. Is the relation R reflexive ? Justify your answer.

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