How to you show the series sigma n^(3/n) converge or diverge?

Should i use the com parsing test?(Headbang)

- July 7th 2010, 10:01 PMde20how to you show the series sigma n^(3/n) converge or diverge?
How to you show the series sigma n^(3/n) converge or diverge?

Should i use the com parsing test?(Headbang) - July 7th 2010, 10:09 PMpickslides
Read the section on "Ratio Test"

Pauls Online Notes : Calculus II - Ratio Test - July 7th 2010, 10:15 PMde20
ratio test is inconclusive with this case since lim n->inf n^[(3/n+1)-3/n] =1

- July 7th 2010, 10:46 PMroninpro
The series fails the -th term test.

- July 7th 2010, 10:47 PMmr fantastic