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Infinite series

Algebra Level 3

$1 + \frac{4}{ 5 } + \frac{7}{ 5^2} + \frac{10}{5^3 } + ........ = ?$

\frac{15}{16}

\frac{16}{15}

\frac{7}{4}

\frac{35}{16}

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by Sakanksha Deo

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