cube root
The cube root of a real number , written as , is the real number such that . Equivalently, . Or, . The cube root notation is actually an alternative to exponentiation. That is, .
-
•
The cube root operation of an exponentiation has the following property: .
-
•
The cube root operation is distributive for multiplication and division, but not for addition and subtraction. That is, , and .
-
•
However, in general, the cube root operation is not distributive for addition and substraction. That is, and .
-
•
The cube root is a special case of the general nth root.
-
•
The cube root is a continuous mapping from .
-
•
The cube root function from defined as is an odd function.
Examples:
-
1.
because .
-
2.
because .
-
3.
because .
-
4.
because .
Title | cube root |
Canonical name | CubeRoot |
Date of creation | 2013-03-22 11:57:22 |
Last modified on | 2013-03-22 11:57:22 |
Owner | Daume (40) |
Last modified by | Daume (40) |
Numerical id | 12 |
Author | Daume (40) |
Entry type | Definition |
Classification | msc 11-00 |
Related topic | NthRoot |
Related topic | SquareRoot |
Related topic | RationalNumber |
Related topic | IrrationalNumber |
Related topic | RealNumber |
Related topic | ComplexNumber |
Related topic | CubeOfANumber |