Question

The expression P(4, 3) is equal to:
-3!
-4!
- 1

Answer 1

The answer is 4!

Explanation:

I just got this question right

Answer 2

`P(4,3) = 4!`

Explanation:

Given

P(4,3)

Required

Solve

Using permutation formula;

`P(n,r) = (n!)/((n-r)!)`

This implies that

`P(4,3) = (4!)/((4-3)!)`

`P(4,3) = (4!)/((1)!)`

`P(4,3) = (4!)/(1!)`

`P(4,3) = (4!)/(1)`

`P(4,3) = 4!`