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OpenStudy (anonymous):
Consider the power series sum from n=1 to infinity (9x-4)^n/n^2? 1) find the radius of convergence R R=? 2) what is the interval of convergence answer in interval notation. Thanks!
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OpenStudy (anonymous):
yes, i got 1/9 and 3/9,5/9 for my interval
OpenStudy (anonymous):
You are right. My answer was not accurate,
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