- #1
rcmango
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Homework Statement
Find a power series representation for the function and determine the radius of convergence.
heres the problem: http://img301.imageshack.us/img301/4514/30437250jj2.png
Homework Equations
The Attempt at a Solution
i believe the derivative of arctant = 1/(1+t^2)
thats all i know for now, what's next?
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