Example 7 - Chapter 6 Class 8 Cubes and Cube Roots
Last updated at April 16, 2024 by Teachoo
Finding cube root by prime factorisation method
Finding cube root by prime factorisation method
Last updated at April 16, 2024 by Teachoo
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