Hey I've been having a bit of trouble find the interval of convergence for:
I did the ratio test:
Now test x = -5/2:
Now test x = 3/2:
So the interval of convergence is:
Does that seem right???
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Originally Posted by TrevorP Hey I've been having a bit of trouble find the interval of convergence for: You can kill this with the root test instead.
We want, .
If then which converges.
If then which diverges.
Thanks, I'm not familiar with the root test but thanks for confirming my answer.
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