Question: ( 3 points ) Consider the power series n = 1 ( - 1 ) n ( - 9 x + 7 ) n 1

(3 points) Consider the power series
n=1(-1)n(-9x+7)n11n(n2+4)
Find the center and radius of convergence R. If it is infinite, type "infinity" or "inf".
Center a=
Radius R=
What is the interval of convergence?
Give your answer in interval notation.
( 3 points ) Consider the power series n = 1 ( -

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