How do I find R when the power series has n! as the power of x?
Thanks for helping out.
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Originally Posted by DaRush19 How do I find R when the power series has n! as the power of x? If you want help, you give the exact question.
There is no point in our guessing.
e.g Find the radius of convergence of the sum of 1/n! x^n!
For is so that... (1)
... and the series of powers of x converges. If we set so that is... (2)
But is so that is... (3)
... and the series of powers diverges. Then it seems to be ...
Last edited by chisigma; Sep 7th 2009 at 02:08 AM.
Reason: minor editing details...
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