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X=?

Algebra Level 2

Given $1+x+x^2+x^3+x^4+ \dots = 2017$ then $\large\color{#D61F06} x=?$

2016

\frac{2015}{2016}

2017

\frac{2016}{2017}

\frac{2017}{2016}

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by Hana Wehbi

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