Question

find the value of 12p3​

Answer 1

Answer:

1320

Explanation:

Answer 2

Answer:

Concept:

Permutation shows in how many ways  'r' from a collection of 'n' can be arranged by considering the order. A permutation can also be calculated manually by writing out every conceivable permutation.

Explanation:

Permutation is the process of arranging things in order.

Formula to find Permutation:

$nP_{r} =\frac{n!}{(n-r)!}$

To find:

value of $12P_{3}$

Solution:

Here , value of $n=12$  and $r=3$

Substitute the values in the formula,

                     $12P_{3} = \frac{12!}{(12-3)!}$

                              $= \frac{12!}{9!}$

                              = $\frac{12\times11 \times10\times9!}{9!}$

                              $=12\times11 \times10$

                              $=1320$

Hence, value of $12P_{3}$ = $1320$

   

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