Homework Help: CALCULUS

Posted by jane on Tuesday, March 4, 2008 at 9:12pm.

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...

No one has answered this question yet.

Answer this Question

Related Questions

CALC - please help me...for the power series summation of n^4x^n/2(n-1)factorial...
CALCULUS-URGENT - find the radius and interval of convergence for the series the...
CALCULUS-URGENT- no one will respond!!! - find the radius and interval of ...
CALCULUS - find the radius and interval of convergence for the series the series...
CALCULUS-URGENT - find the radius and interval of convergence for the series the...
Calculus - a) Find the Taylor series associated to f(x) = x^-2 at a = 1. Be sure...
Calculus 2 - Find the radius of convergence and interval of convergence of the ...
CALCULUS-URGENT- no one will respond!!! - find the radius and interval of ...
Calculus - I am maybe overthinking this, but what is the lim as n-> ...
Taylor seires - f(x) =ln (1-x) a) Compute f'(x), f''(x), f''...

For Further Reading

First Name:
School Subject:
Answer: