Question

Let R be the relation in the set N given by R = {(a, b) : a = b – 2, b > 6}, then ______.

Options

• (2, 4) ∈ R

• (3, 8) ∈ R

• (6, 8) ∈ R

• (8, 7) ∈ R

Answer 1

Let R be the relation in the set N given by R = {(a, b) : a = b – 2, b > 6}, then (6, 8) ∈ R.

Explanation:

a = b − 2 and b > 6

⇒ (6, 8) ∈ R