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  2. 1/2 + 1/4 + 1/8 + 1/16 + ⋯ - Wikipedia

    en.wikipedia.org/wiki/1/2_%2B_1/4_%2B_1/8_%2B_1/...

    1/2 + 1/4 + 1/8 + 1/16 + ⋯. First six summands drawn as portions of a square. The geometric series on the real line. In mathematics, the infinite series ⁠ 1 2 ⁠ + ⁠ 1 4 ⁠ + ⁠ 1 8 ⁠ + ⁠ 1 16 ⁠ + ··· is an elementary example of a geometric series that converges absolutely. The sum of the series is 1. In summation notation ...

  3. List of Vogue CS cover models - Wikipedia

    en.wikipedia.org/wiki/List_of_Vogue_CS_cover_models

    September 2018) (Learn how and when to remove this message) This list of Vogue Czechoslovakia cover models is a catalog of cover models who have appeared on the cover of Vogue Czechoslovakia , Czech Republic and Slovakia edition of Vogue magazine, starting with the magazine's first issue in September 2018.

  4. Roman type - Wikipedia

    en.wikipedia.org/wiki/Roman_type

    Bembo is a roman typeface (shown with italic) dating to 1928 based on punches cut by Francesco Griffo in 1494. [1] [2] [3] [4]In Latin script typography, roman is one of the three main kinds of historical type, alongside blackletter and italic.

  5. 1/2 − 1/4 + 1/8 − 1/16 + ⋯ - Wikipedia

    en.wikipedia.org/wiki/1/2_%E2%88%92_1/4_%2B_1/8...

    1/21/4 + 1/81/16 + ⋯. Demonstration that 1 21 4 + 1 81 16 + ⋯ = 1 3. In mathematics, the infinite series 1/21/4 + 1/81/16 + ⋯ is a simple example of an alternating series that converges absolutely . It is a geometric series whose first term is 1 2 and whose common ratio is − 1 2, so its sum is.

  6. Mercedes-Benz A-Class - Wikipedia

    en.wikipedia.org/wiki/Mercedes-Benz_A-Class

    The Mercedes-Benz A-Class is a subcompact car manufactured by Mercedes-Benz and marketed across fourth generations as a front-engine, front-wheel drive, five-passenger, five-door hatchback, with a three-door hatchback offered for the second generation. As the brand's entry-level vehicle, the first generation A-Class, internally coded W168, was ...

  7. Catalogues of classical compositions - Wikipedia

    en.wikipedia.org/wiki/Catalogues_of_classical...

    Two volumes of a catalogue of the remaining works were published by Erich Hermann Mueller von Asow (1892–1964) in 1959. After von Asow's death, Franz Trenner (d. 1993) and Alfons Ott (d. 1976) published the third volume, based on von Asow's notes; this catalogue lists 323 titles, including Strauss's literary writings.

  8. Fibonacci sequence - Wikipedia

    en.wikipedia.org/wiki/Fibonacci_sequence

    A bijection with the sums to n is to replace 1 with 0 and 2 with 11. The number of binary strings of length n without an even number of consecutive 0 s or 1 s is 2F n. For example, out of the 16 binary strings of length 4, there are 2F 4 = 6 without an even number of consecutive 0 s or 1 s—they are 0001, 0111, 0101, 1000, 1010, 1110. There is ...

  9. 2-8-8-4 - Wikipedia

    en.wikipedia.org/wiki/2-8-8-4

    A 2-8-8-4 steam locomotive, under the Whyte notation, has two leading wheels, two sets of eight driving wheels, and a four-wheel trailing truck. The type was generally named the Yellowstone, a name given it by the first owner, the Northern Pacific Railway, whose lines ran near Yellowstone National Park. Seventy-two Yellowstone-type locomotives ...