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Use the power series 1 1 + x = (-1) (-1), IX1 < 1 no to find a power series for the function, centered at 0. g(x) = 1 9 x +
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solution 고. 20 Ita [(-))?2? n=0 I - Z (-1) (&?? -- E FU?(299) n=0 Apply nahro Test Here an = (-1?1399) i- anti lim n7ool an7 L = lim 12291 - 29 nto fon L</ o regence 71291<! >> -1 < 2?< -1<a TL So, Interval of convergence is (-1,1)

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