Practicing Success
Practicing Success
CUET Preparation Today
| The mapping f: N → N is given by f(n) = 1 + 2n, n ∈ N when N is the set of natural numbers is |
one-one and onto onto but not one-one one-one but not onto neither one-one nor onto |
| one-one but not onto |
| no pre image for 1 |
