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The coming of sound to film was an event whose importance can hardly be overestimated; sound transformed not only the Hollywood film industry but all of world cinema as well. As economic and film historian Douglas Gomery explains, the business of film became not only bigger but much more complex. As sound spread its power, the talkies became an agent of economic and social change through the globe, extending America's reach in ways that had never before been imaginable. This is an essential work for anyone interested in early film, film history and economics, and the history of the American media.
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A look at solving problems in three areas of classical elementary mathematics: equations and systems of equations of various kinds, algebraic inequalities, and elementary number theory, in particular divisibility and diophantine equations. In each topic, brief theoretical discussions are followed by carefully worked out examples of increasing difficulty, and by exercises which range from routine to rather more challenging problems. While it emphasizes some methods that are not usually covered in beginning university courses, the book nevertheless teaches techniques and skills which are useful beyond the specific topics covered here. With approximately 330 examples and 760 exercises.
Reprint of the original, first published in 1876.
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