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NCERT Solutions for Class 8 Maths Chapter 7 Cube and Cube Roots
In the chapter, Cubes and Cube Roots, understudies find out various techniques to discover the cubes and cube roots of a number. The chapter talks about finding the cubes of various numbers, some fascinating examples that could be picked up utilizing cubes, and finding the cube roots. There are two exercises in the chapter that will help the understudies understand the basics of Cubes and Cube Roots in depth.
Cube Numbers
If a natural number denoted by m can be expressed as n3, where n is also a natural number, then m is called the cube number of n.
Cubes Relation with Cube Numbers
As per geometry, a cube is a solid figure in which all edges are equal and are perpendicular to each other.
Units Digits in Cube Numbers
Cube number is odd or even depending on whether a number is odd or even.
Prime Factorisation Method to Find a Cube
If each prime factor occurs three times in the prime factorisation of any number, then the number is a perfect cube.
Cube roots
Finding out the cube root is the inverse operation of finding the cube.
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