1−2+3−4+…
1. 1 − 2 + 3 − 4 + · · ·In mathematics, 1 − 2 + 3 − 4 + ··· is the infinite series whose terms are the successive positive integers, given alternating signs. Using sigma summation notation the sum of the first m terms of the series can be expressed as The infinite series diverges, meaning that its sequence of partial sums, (1, −1, 2, −2, ... ), does not tend towards any finite limit.
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Read “1 − 2 + 3 − 4 + · · ·” on DBpedia
Read “1 − 2 + 3 − 4 + · · ·” on English Wikipedia
Read “1−2+3−4+…” on Japanese Wikipedia
Read “1 − 2 + 3 − 4 + · · ·” on DBpedia
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