1. Chapter 7 Class 8 Cubes and Cube Roots
  2. Serial order wise
  3. Examples

Example 7 - Chapter 7 Class 8 Cubes and Cube Roots

Last updated at Sept. 11, 2018 by

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  1. Chapter 7 Class 8 Cubes and Cube Roots
  2. Serial order wise

    3. Examples

    Cubes →

Transcript

Example 7 Find the cube root of 13824 by prime factorisation method. We see that, 13824 = 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 Since 2 & 3 occur in triplets ∴ 13824 is a perfect cube Cube root of 13824 = 2 × 2 × 2 × 3 = 4 × 6 = 24

Chapter 7 Class 8 Cubes and Cube Roots
Serial order wise

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Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 9 years. He provides courses for Maths and Science at Teachoo.