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OpenStudy (megannicole51):
Use the ratio test to find the radius of convergence of the power series the series of (((n+4)x^n)/(3^(n)+n)) n=0 to infinity R=? I solved for An and An+1 and divided An+1/An (absolute value) and I got n/n+1 and I know I have to take the limit as n approaches infinity....and this is where I get stuck and don't know what to do next...please help!
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