Question

6p4/3!....please answer this​

Answer 1

Answer:

Answer:

360

Explanation:

using the definition of

n

P

r

∙

x

n

P

r

=

n

!

(

n

−

r

)

!

where

n

!

=

n

(

n

−

1

)

(

n

−

2

)

...

...

×

3

×

2

×

1

⇒

6

P

4

=

6

!

(

6

−

4

)

!

=

6

!

2

!

6

!

2

!

=

6

×

5

×

4

×

3

×

2

×

1

2

×

1

=

720

2

=

360