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What is the limit of the series 1 +2/5 +4/25 + 8/125 ???????????????????????????????????????
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is it infinite series
the sum would be
\[\frac{ 1}{ 1-2/5 }\]
ohhhhhhhhhhhhhhhhhhhhhhhhhhh I can't beleive I forgot that thanks
wait is this the formula: |dw:1434351783501:dw|
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\[\sum _{n=0}^{\infty } \frac{2^n}{5^n}=\frac{5}{3} \]
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