SOLUTION: Write the following expression without using factorial notation. Please show all work. (n-4)!/3!(n-2)!

Algebra ->  Permutations -> SOLUTION: Write the following expression without using factorial notation. Please show all work. (n-4)!/3!(n-2)!      Log On


   

Question 1147324: Write the following expression without using factorial notation. Please show all work.
(n-4)!/3!(n-2)!
Answer by ikleyn(52776) About Me  (Show Source):
You can put this solution on YOUR website!
.

From the context, it is clear that your expression is   %28n-4%29%21%2F%283%21%2A%28n-2%29%21%29.


Cancel the common factors  (n-4)!  in the numerator and in the denominator to get


    1%2F%286%2A%28n-3%29%2A%28n-2%29%29.     ANSWER