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This topic has appeared in the English Wikipedia rankings 1 time. It first appeared on 2026-06-07 and was most recently seen on 2026-06-07.
In mathematics, the infinite series 1 − 1 + 1 − 1 + ⋯ is a divergent series, meaning that the sequence of partial sums of the series does not converge. Although it is divergent, it can be manipulated to yield a number of mathematically interesting results. In particular, various summation methods assign this series the value 1/2.
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