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  2. Cube root - Wikipedia

    In mathematics, a cube root of a number x is a number y such that y3 = x. All nonzero real numbers, have exactly one real cube root and a pair of complex conjugate cube roots, and all nonzero complex numbers have three distinct complex cube roots. For example, the real cube root of 8, denoted , is 2, because 23 = 8, while the other cube roots ...

  3. Cube root law - Wikipedia

    Cube root law. The cube root law is an observation in political science that the number of members of a unicameral legislature, or the lower house of a bicameral legislature, is about the cube root of the population being represented. [1] The rule was devised by Rein Taagepera in his 1972 paper "The size of national assemblies".

  4. Talk:Cube root - Wikipedia

    The introductory paragraph begins: "In mathematics, the cube root of a number, denoted or x 1/3, is the number a such that a3 = x. All real numbers have exactly one real cube root and 2 complex roots, and all nonzero complex numbers have 3 distinct complex cube roots."

  5. File:Cube root.svg - Wikipedia

    File:Cube root.svg. Size of this PNG preview of this SVG file: 460 × 244 pixels. Other resolutions: 320 × 170 pixels | 640 × 339 pixels | 1,024 × 543 pixels | 1,280 × 679 pixels | 2,560 × 1,358 pixels. This is a file from the Wikimedia Commons. Information from its description page there is shown below.

  6. Cube (algebra) - Wikipedia

    The volume of a geometric cube is the cube of its side length, giving rise to the name. The inverse operation that consists of finding a number whose cube is n is called extracting the cube root of n. It determines the side of the cube of a given volume. It is also n raised to the one-third power. The graph of the cube function is known as the ...

  7. Cubic equation - Wikipedia

    Here the function is f(x) = (x3 + 3x2 − 6x − 8)/4. In algebra, a cubic equation in one variable is an equation of the form. in which a is nonzero. The solutions of this equation are called roots of the cubic function defined by the left-hand side of the equation. If all of the coefficients a, b, c, and d of the cubic equation are real ...

  8. Cubic field - Wikipedia

    Adjoining the real cube root of 2 to the rational numbers gives the cubic field. Q ( 2 3 ) {\displaystyle \mathbf {Q} ( {\sqrt [ {3}] {2}})} . This is an example of a pure cubic field, and hence of a complex cubic field. In fact, of all pure cubic fields, it has the smallest discriminant (in absolute value ), namely −108.

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