Can anyone help me solve this? My answer is 5. My friend's got 17. Im confused.
Last edited by weijing85; Apr 19th 2013 at 06:15 PM. Reason: missing attachment
Follow Math Help Forum on Facebook and Google+
Originally Posted by weijing85 Can anyone help me solve this? My answer is 5. My friend's got 17. Im confused. The series is convergent if and only if . In your case, , so . If , then you get . If , you get . Thus your interval of convergence is So your friend is correct.
Last edited by Gusbob; Apr 20th 2013 at 01:27 AM.
thanks! ((:
View Tag Cloud