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  4. If n (A) = 4 and n(B) = 6, then the number of surjections from A to B is

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Q. If $n (A) = 4$ and $n(B) = 6$, then the number of surjections from $A$ to $B$ is

Relations and Functions - Part 2

Solution:

If $n(A) < n(B)$ then the no. of surjections from $A$ to $B = 0$