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1 + 2 + 4 + 8 + ⋯

 Home Mathematics Fields of mathematics Arithmetic Binary arithmetic
 0 By others on same topic  0 Discussions  1970-01-01  See my version
The series \(1 + 2 + 4 + 8 + \ldots\) is a geometric series where the first term \(a = 1\) and the common ratio \(r = 2\). The sum of an infinite geometric series can be calculated using the formula: \[ S = \frac{a}{1 - r} \] This formula is valid only for \(|r| < 1\).

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