Which one of the following is incorrect ?
Relation R in the set {1, 2, 3, 4} given by R = {(1 , 1) , (2 , 2) , (1 , 2) , (2 , 3) , (3 , 3) , (4 , 4)} is
Let R be the relation in the set N given by R = {(a, b) : b = a + 3, b > 4}. Which one of the following is correct
Choose from the following
If f ∶ R → R is given by f (x) = (3 - x 3 ) 1/3, then f o f (x) is
