Question

What is the value of the expression? 8!/6! x 2!

Answer 1

\[n!=\prod_{k=1}^{n}k\] use this
so 1!=1
2!=2*1
3!=3*2*1
4!=4*3*2*1 like this

Answer 2

see 8! = 8*7*6!

Answer 3

rest you can do

Answer 4

u can also express about it like this