[infinity]
Given that 1/1-x = Σ xⁿ, which converges for x in (-1, 1), find the power series representation for the function f(x) = 1/1-x⁹ centered at a = 0 and find its interval of convergence.
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The power series for the function is
[infinity]
f(x) = 1/1-x⁹ Σ Interval of convergence is___
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