Determine the radius and interval of convergence
a). ∑_0^∞〖n^(2n+1)/4^3n (2x+17)^n 〗
b). ∑_0^∞〖(n+1)/(2n+1)! (x-2)^n 〗
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apply the ratio test. what do you get?
a). ∑_0^∞〖n^(2n+1)/4^3n (2x+17)^n 〗
b). ∑_0^∞〖(n+1)/(2n+1)! (x-2)^n 〗
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