Question

obtain the valve of the following 8/p/7​

Answer 1

Explanation:

using the definition of

n

P

r

=

n

!

(

n

−

r

)

!

where

n

!

=

n

(

n

−

1

)

(

n

−

2

)

...

...

×

1

⇒

8

P

7

=

8

!

1

!

×

×

x

=

8

×

7

×

6

×

5

×

4

×

3

×

2

1

×

×

x

=

40320

Answer 2

Step-by-step explanation:

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