^n P _r ^n C _r is equal to : - Vidyadip

MCQ

${ }^n P _r \div{ }^n C _r$ is equal to :

A
$n~!$
B
$(n-r)$ !
C
$\frac{1}{r!}$
✓
$r$ !

✓

Answer

Correct option: D.

$r$ !

(D)

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