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Mathematics 21 Online
OpenStudy (anonymous):

for the following power series, determine the interval of convergence: S = 3(x+2) ÷ 2*5 + 4(x+2)^2 ÷ 4*8 + 5(x+2)^3 ÷ 6*11 + …….

OpenStudy (anonymous):

\[\sum_{n=1}^{\infty} (n+2)(x+2)^{n} / 2n ^{3n+2}\]

OpenStudy (anonymous):

use ratio test maybe help you out

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