MULTIPLICATIVEINVERSE

Multiplicative inverse

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, and the reciprocal of 0.25 is 1 divided by 0.25, or 4. The reciprocal function, the function f that maps x to 1/x, is one of the simplest examples of a function which is its own inverse .

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multiplicative inverse

Noun

  1. the element with respect to ; the


The above text is a snippet from Wiktionary: multiplicative inverse
and as such is available under the Creative Commons Attribution/Share-Alike License.

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