Difference between revisions of "AoPS Wiki:Problem of the Day/September 5, 2011"
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| − | 2+2 | + | Find |
| + | <cmath>2\left(1+\frac{1}{2}+\frac{1}{4}+\frac{1}{8}+\frac{1}{16}+\frac{1}{32}+\frac{1}{64}+\frac{1}{128}+\cdots\right).</cmath> | ||
| + | <noinclude>[[category:Problem of the Day]]</noinclude> | ||
Latest revision as of 08:26, 7 September 2011
Find
![\[2\left(1+\frac{1}{2}+\frac{1}{4}+\frac{1}{8}+\frac{1}{16}+\frac{1}{32}+\frac{1}{64}+\frac{1}{128}+\cdots\right).\]](http://latex.artofproblemsolving.com/4/0/e/40e62fccce9f8947e7a7ec5049ee05065a383d62.png)
