How Can Power Series Help You Solve Complex Equations?

sai2020
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Homework Statement



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Homework Equations



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The Attempt at a Solution



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Well, it looks like you're trying to find the power series of ln(5 - x) by differentiating the series for 1/(5 - x) term by term. But ln(5 - x) is the integral of 1/(5 - x) (give or take a sign).
 
In other words integrate, don't differentiate!
 
Oh. how stupid am i. God help me in my exam.
 

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