Math, asked by mayankpatidar1196, 11 months ago

If set A contains n elements then find the total number of injective functions from A onto itself

Answers

Answered by Anonymous
11

Answer:

n!

Step-by-step explanation:

An injective function from A onto itself is a permutation.

The number of permutations is n!

Answered by sprao534
7

The number of injective functions from A onto itself is P(n, n) =n!

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