- #1
Mivg
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Homework Statement
f(x) = [tex]\sum[/tex] [tex]\frac{9^{n}}{4n}[/tex] x[tex]^{2n}[/tex]
n=1, [tex]\infty[/tex] is on top of the summation sign.
Homework Equations
a) Use the Ratio Test to find the radius of convergence of the Power Series
b) Find f [tex]\grave{}[/tex](x) and write out the first three (non-zero) terms of the power series for f [tex]\grave{}[/tex](x)