How do i find the interval of convergence for the summation of 1 to infinity for (x+2)^{N}/N^{3} ?
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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 Be sure to test the endpoints!
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