- #1
Aladin
- 77
- 0
Hello.
Do anyone know the shortcut or trick of taking factorial directly?
for example : 9! = 9*8*7*6*5*4*3*2*1.
it is very time consuming method to multiply all these terms to get answer.
please tell me easy mathod.
thank you
Do anyone know the shortcut or trick of taking factorial directly?
for example : 9! = 9*8*7*6*5*4*3*2*1.
it is very time consuming method to multiply all these terms to get answer.
please tell me easy mathod.
thank you