The relation R defined on the set of natural numbers as {(a, b) : a is greater than b by 3}, is given by
{(1, 4, (2, 5), (3, 6),.....}
{(4, 1), (5, 2), (6, 3),.....}
{(1, 3), (2, 6), (3, 9),..}
None of these
R={(a,b):a,b∈N,a−b=3}={((n+3),n):n∈N}
={(4,1),(5,2),(6,3), .......} .
The relation R defined on the set of natural numbers as {(a, b) : a differs from b by 3}, is given by
The relation R is defined on the set of natural numbers as {(a,b) : a = 2b}. Then R−1 is given by