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Mathematics, 30.04.2021 01:00 awkwardkid0123
For every integer n ≥ 1, ![1+\frac{1}{2} +\frac{1}{4} +...+\frac{1}{2^{n-1} } =\frac{2n-1}{2^{n-1} }](/tpl/images/2323/4535/fe1f7.png)
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