1. Find the radius of convergence for:
∞∑n=1 (n!)^2 x^n /(2n)!
2. Find all the values of x such that the given
series would converge.
∞∑n=1 (−1)^n x^n / 2^n(n^2+9)
The series is convergent
from x=
to x=
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