- #1
JulioMarcos
- 2
- 0
Homework Statement
Find the radius of convergence of the Series:
[tex]\sum_{i=1}^{\infty}\frac{(2n)!x^n}{(n!)^2}[/tex]
The attempt at a solution
I used the Ratio Test but I always get L = [tex]|\frac{2x}{n+1}|[/tex]
The answer is 1/4. I think I am mistaking with factorial.
Find the radius of convergence of the Series:
[tex]\sum_{i=1}^{\infty}\frac{(2n)!x^n}{(n!)^2}[/tex]
The attempt at a solution
I used the Ratio Test but I always get L = [tex]|\frac{2x}{n+1}|[/tex]
The answer is 1/4. I think I am mistaking with factorial.