- #1
aero_zeppelin
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Homework Statement
Ʃ (from n=1 to ∞) (4x-1)^2n / (n^2)
Find the radius and interval of convergence
The Attempt at a Solution
I managed to do the ratio test and get to this point:
| (4x-1)^2 |< 1
But now what? How do you get the radius and interval? Any help will be appreciated!
Thanks