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If {:((n),(r)):}=(n!)/(k), then K =........

If `{:((n),(r)):}=(n!)/(k),` then K =.......

A

`r !`

B

`(n-n) !`

C

`(n-n) ! R!`

D

`(r(n-1))!`

Text Solution

Verified by Experts

The correct Answer is:
C
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  • ((n),(r)) = (""^(n)P_(r))/(K), then K = ......

    A
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    B
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    A
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    C
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    B
    r + 1
    C
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    D
    n - r + 1

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