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Find the total number of permutations of...

Find the total number of permutations of `n` different things taken not more than `r` at a time, when each thing may be repeated any number of times.

A

`(n(n^(n)-1))/(n-1)`

B

`(n^(r)-1)/(n-1)`

C

`(n(n^(r)-1))/(n-1)`

D

`(n(n^(r)-1))/(r-1)`

Text Solution

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The correct Answer is:
C
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