Cube (algebra)

Visual proof that 13 + 23 + 33 + 43 + 53 = (1 + 2 + 3 + 4 + 5)2.

In arithmetic and algebra, the cube of a number $n$ is its third power: the result of the number multiplied by itself twice:

It is also the number multiplied by its square:

This is also the volume formula for a geometric cube with sides of length $n$ , giving rise to the name. The inverse operation 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.

单词	Cube of a number
释义	Cube of a number 英语百科 Cube (algebra) In arithmetic and algebra, the cube of a number $n$ is its third power: the result of the number multiplied by itself twice: It is also the number multiplied by its square: This is also the volume formula for a geometric cube with sides of length $n$ , giving rise to the name. The inverse operation 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.
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Cube of a number

Cube (algebra)