Cosa (chi) è 4, 3, 2, 1 (k-os song) - definizione
1 − 2 + 3 − 4 + ⋯
INFINITE SERIES
1 - 2 + 3 - 4 + · · ·; 1 - 2 + 3 - 4 + …; 1 - 2 + 3 - 4 + ...; 1 − 2 + 3 − 4 + …; 1−2+3−4+···; 1-2+3-4+···; 1-2+3-4+…; 1-2+3-4+...; 1−2+3−4+…; 1−2+3−4+...; 1-2+3-4+; 1-2+3-4; 1−2+3−4+; 1−2+3−4; 1 − 2 + 3 − 4 +; 1 − 2 + 3 − 4; 1 - 2 + 3 - 4 +; 1 - 2 + 3 - 4; 1 − 2 + 3 − 4 + . . .; 1 - 2 + 3 - 4 + . . .; 1 − 2 3 − 4 · · ·; 1 - 2 + 3 - 4 ...; 1 − 2 + 3 − 4 + · ·; 1 − 2 + 3 − 4 + ·; 1- 2 + 3 - 4; 1 − 2 + 3 − 4 + ...; 1 − 2 + 3 − 4 + ···; 1 − 2 + 3 − 4 + · · ·
In mathematics, 1 − 2 + 3 − 4 + ··· is an 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
1-2-3
WIKIMEDIA DISAMBIGUATION PAGE
1, 2, 3; 1-2-3 (disambiguation); 1 2 3; One two three; 1. 2. 3.; 1. 2. 3...; 1. ... 2. ... 3. ...; 123 (song); 1-2-3 (song); 1-2-3 (album); 1. 2. 3; I-II-III; 1. 2. 3..; 1, 2, 3 (song); 1, 2, 3! (song); 1, 2, 3!; 1,2,3; 1 2 3 (song); 1. 2. 3. ...; 1, 2, 3 (disambiguation)
1 − 2 + 4 − 8 + ⋯
INFINITE SERIES
1 − 2 + 4 − 8 + 16 − · · ·; 1 + 2 + 4 + 8 +...; 1 + 2 + 4 + 8 +..; 1 + 2 + 4 + 8 +.; 1+2+4+8.; 1+2+4+8..; 1+2+4+8+..; 1+2+4+8+.; 1 − 2 + 4 − 8 + · · ·; 1 − 2 + 4 − 8 + …; 1 − 2 + 4 − 8 + ...
In mathematics, 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.
Wikipedia
4, 3, 2, 1 (k-os song)
"4, 3, 2, 1" is the first single by k-os from the album Yes!. The music video premièred in February 2009.
