- #1
- 1,170
- 3
Homework Statement
I want to find the limit of ƩK(n+m,n)zn
K(a,b) being the binomial coefficient.
Homework Equations
Cauchy root test?
The Attempt at a Solution
Trying the cauchy root test I get:
1/R = limn->∞[(K(n+m,n))½]
But what do I do from here?