How do you simplify ((a+b)! )/ ((a + b - 1)!)?

1 Answer
May 21, 2018

See below.

Explanation:

We can simplify this expression by first rewriting the numerator as so:

((a+b)!)/((a+b-1)!)=((a+b-1)!(a+b))/((a+b-1)!),

and then canceling the two like terms, we get

(a+b).