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The number of permutations of 'n' differ...

The number of permutations of 'n' different objects taken `r` at a time, when a particular element always occur in each arrangement, is

A

`n-1C_(r) xx (r-1)!`

B

`n-1C_(r-1) xx (r)!`

C

`n-1C_(r) xx (r)!`

D

`nC_(r) xx (r)!`

Text Solution

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The correct Answer is:
C
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