# Prove that #""^(n+1)P_r=((n+1))/((n-r+1))xx""^nP_r#?

##### 1 Answer

Sep 14, 2016

Please see below.

#### Explanation:

The formula for the number of possible permutations of

where

Hence

=

=

=

Sep 14, 2016

Please see below.

The formula for the number of possible permutations of

where

Hence

=

=

=