Multiplicative Inverse
Frederic P. Miller, Agnes F. Vandome, John McBrewster
In mathematics, a multiplicative inverse or reciprocal for a number x, denoted by 1?x or x ?1, is a number which when multiplied by x yields the multiplicative identity, 1. The multiplicative inverse of a fraction a?b is b?a. For the multiplicative inverse of a real number, divide 1 by the number. For example, the reciprocal of 5 is one fifth (1?5 or 0.2), and the reciprocal of 0.25 is 1 divided by 0.25, or 4. The reciprocal function, the function (x) that maps x to 1?x, is one of the simplest examples of a function which is self-inverse. The term reciprocal was in common use at least as far back as the third edition of Encyclopaedia Britannica (1797) to describe two numbers whose product is 1; geometrical quantities in inverse...
ISBN: 978-6-1306-6432-9
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Книга по требованию
Дата выхода: июль 2011
