Posted by **laura** on Wednesday, March 5, 2008 at 12:07am.

find the radius and interval of convergence for the series

the series from n=1 to infinity of

((-1)^(n+1)*x^n)/n!

I did the ratio test so I had the Lim as n approaches infinity of -x/(n+1), but this is 0, giving no radius, so I think I did something wrong...

## Answer this Question

## Related Questions

- CALCULUS-URGENT - find the radius and interval of convergence for the series the...
- CALCULUS - find the radius and interval of convergence for the series the series...
- CALCULUS-URGENT- no one will respond!!! - find the radius and interval of ...
- CALC - please help me...for the power series summation of n^4x^n/2(n-1)factorial...
- Calculus - What is the radius of convergence of the power series (((2n)!x^(n...
- Calculus 2 - In the following series x is a real number. In each case, use the ...
- Calculus - How do I find the radius of convergence of a series where n=1 to ...
- CALCULUS-URGENT - find the radius and interval of convergence for the series the...
- CALC 2 - In the following series x is a real number. In each case, use the ratio...
- CALC 2 pls help!! - In the following series x is a real number. In each case, ...

More Related Questions