Chapter 9.4B, Problem 4A

To determine

a.

Whether statements “$\frac{6!}{3}=2!$” is true or false.

To determine

b.

Whether statements “$\frac{6!}{5!}=6!$” is true or false.

To determine

c.

Whether statements “$\frac{6!}{4!2!}=15$” is true or false.

To determine

d.

Whether statements “$n!\left(n+1\right)=\left(n+1\right)!$” is true or false.