Factorials!! Flashcards
1
Q
What is the symbol for factorial?
A
!
2
Q
What does n! Mean?
A
n x (n-1) x (n-2) x (n-3) ……
3
Q
Simplify (n + 1)!
A
n! (n + 1)
4
Q
Simplify (n + a)!
A
n! (n + a) (n + a - 1) (n + a - 2) (n + a - 3)….
5
Q
Simplify (n + 2)!
A
n! (n + 2) (n + 1)
6
Q
Simplify (n + 3)!
A
n! (n + 3) (n + 2) (n + 1)
