ab-ac+4a-4b 16ax^2-12ax^3 Разложите на множители - №30383942

ab-ac+4a-4b
16ax^2-12ax^3
Разложите на множители
- Предмет:
  Алгебра
- Автор:
  brendanjohnston
- 6 лет назад

Ответы 1

$1)ab - ac + 4a - 4b = - a(c - 4) + b(a - 4) \\ 2)16 {x}^{2} - 12a {x}^{3 } = 4 {x}^{2} (4 - ax)$
- Автор:
  gabriella48
- 6 лет назад
- 0
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The American film industry was launched in 1890 when Thomas Edison invented an apparatus that could photograph physical action. But it was not until 1903 that the first American feature film "The Great Train Robbery" was produced.
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The first talking picture "The Jazz Singer" was turned out in 1927 Sound brought with it a reorganization of the studios, more subtle acting technique, new actors and writers, and types of pictures. The 30s offered musicals, cartoons, Westerns, costume dramas, horror films, adaptations of the classics.
The film that became the climax of prewar production was "Gone With the Wind" (1939). After World War II the decline of major Hollywood studios began. The "witch-hunt" conducted by the House of Un-American Activities Committee during the late 40s and all the 50s struck a severe blow to the film industry. Many talented artists had either to leave Hollywood for Europe or abandon the industry altogether.

During the 1950s the film industry faced a growing popularity of TV and European cinema. The decade offered a great number of science fiction films. Another distinctive feature of those years was the popularity of the blockbuster, i.e. the big-budget picture with spectacular lavish sets of extras ("Quo Vadis" "Ben Hur", etc).
In the 60s the film production shifted from the big studios to independent filmmakers. Fewer and fewer films were made on the West Coast. Instead they were shot in New York, Europe, Africa and South America.
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