Question
Asked Dec 3, 2019
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Find the radius of convergence, R, of the series.
(-9)
n 1
R =
Find the interval, I, of convergence of the series. (Enter your answer using interval notation.)
I =
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Find the radius of convergence, R, of the series. (-9) n 1 R = Find the interval, I, of convergence of the series. (Enter your answer using interval notation.) I =

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Expert Answer

Step 1

If the interval of the convergence is (a,b) then radius of convergence will be (b-a)/2

According to ratio test for interval of convergence, the condition that should be satisfying is,

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Interval 1 <1 lim Radius b-a R 2

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Step 2

Find an in simplified form.

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(-9) а, (x*) ,(6- (x*) (-9)'

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Step 3

Find the ratio of an+1 and a...

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(-9) t) (n+1)3 ani (-9) x*) (n)E a (-9)x n+1 (-9)x

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Math

Advanced Math