NCERT Solutions for Class 8 Maths Chapter 7- Cubes and Cube roots

NCERT Solutions for Class 8 Maths Chapter 7- Cubes and Cube roots

The NCERT solutions for Class 8 Maths, Chapter 7, Cubes and Cube roots, provided by CBSETuts contains the answers for all the questions present in the chapter. The chapter contains two exercises, in which, exercise 7.1 deals with Cubes and exercise 7.2 deals with Cube roots. Here is a glance of what the chapter discusses “Cubes and Cube Roots”.

Numbers like 1729, 4104, 13832, are known as Hardy – Ramanujan Numbers. They can be expressed as the sum of two cubes in two different ways. Numbers obtained when a number is multiplied by itself three times are known as cube numbers. If in the prime factorization of any number each factor appears three times, then the number is a perfect cube.

Main topics covered in this chapter include:

• 7.1 Introduction
• 7.2 Cubes
• 7.2.1 Some Interesting Patterns
• 7.2.2 Smallest multiple that is a perfect cube
• 7.3 Cube Roots
• 7.3.1 Cube root through prime factorization method
• 7.3.2 Cube root of a cube number