f(x) = ln(5-x) not sure how to find the power series and the radius of convergence. please help.
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Originally Posted by rcmango f(x) = ln(5-x) not sure how to find the power series and the radius of convergence. please help. Hint: $\displaystyle \ln (1 - x) = - \sum_{n = 1}^\infty \frac {x^n}n$ for $\displaystyle |x| \le 1,~x \ne 1$
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