How do i find the interval of convergence for the summation of 1 to infinity for (x+2)^{N}/N^{3} ?
Follow Math Help Forum on Facebook and Google+
Use the ratio test. The n+1 term divided by the nth term.
Thanks, I've done that and gotten (X+2). How do I use that to determine the interval of convergence?
Originally Posted by JRH Thanks, I've done that and gotten (X+2). How do I use that to determine the interval of convergence? Can you solve $\displaystyle |x+2|<1~?$ Be sure to test the endpoints!
View Tag Cloud