A mapping is select at random from the set of allthe mappings of the set `A={1,2, n}`into itself. Find the probability that the mappingselected is an injection.A. `(1)/(n^(n))`B. `(1)/(n!)`C. `((n-1)!)/(n^(n-1))`D. `(n!)/(n^(n-1))`

A mapping is select at random from the set of allthe mappings of the s

1.	A mapping is select at random from the set of allthe mappings of the set `A={1,2, n}`into itself. Find the probability that the mappingselected is an injection.A. `(1)/(n^(n))`B. `(1)/(n!)`C. `((n-1)!)/(n^(n-1))`D. `(n!)/(n^(n-1))`
Answer» Correct Answer - C

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A mapping is select at random from the set of allthe mappings of the set `A={1,2, n}`into itself. Find the probability that the mappingselected is an injection.A. `(1)/(n^(n))`B. `(1)/(n!)`C. `((n-1)!)/(n^(n-1))`D. `(n!)/(n^(n-1))`

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