- normally convergent series
- нормально сходящийся ряд
English-Russian scientific dictionary. 2008.
English-Russian scientific dictionary. 2008.
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1 − 2 + 4 − 8 + · · · — In mathematics, 1 − 2 + 4 − 8 + hellip; is the infinite series whose terms are the successive powers of two with alternating signs. As a geometric series, it is characterized by its first term, 1, and its common ratio, −2. :sum {i=0}^{n} ( 2)^iAs … Wikipedia
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