Cube root

Plot of y = 3√x. The plot is symmetric with respect to origin, as it is an odd function. At x = 0 this graph has a vertical tangent.

Plot of the complex cube root together with its two additional leaves. The first picture shows the main branch which is described in the text

Riemann surface of the cube root. One can see how all three leaves fit together

In mathematics, a cube root of a number x is a number a such that a = x. All real numbers (except zero) 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 √8, is 2, because 2 = 8, while the other cube roots of 8 are −1 + √3i and −1 − √3i. The three cube roots of −27i are

单词	Third root
释义	Third root 英语百科 Cube root In mathematics, a cube root of a number x is a number a such that a = x. All real numbers (except zero) 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 √8, is 2, because 2 = 8, while the other cube roots of 8 are −1 + √3i and −1 − √3i. The three cube roots of −27i are
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Third root

Cube root