What function correspond to this series expansion?

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SUMMARY

The series expansion presented corresponds to the geometric series function, specifically defined as \( f(x) = \frac{1}{1-x} \) for \( |x| < 1 \). This function represents the sum of an infinite series where each term is a power of \( x \). The discussion emphasizes the importance of recognizing the convergence criteria of the geometric series when applying this function.

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Anyone knows what function correspond to this series expansion?

[tex] \begin{align}<br /> f(x)=1+x+x^2+x^3+...<br /> \end{align}[/tex]
 
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Look up geometric series
 

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