Ex 6.2, 1 (vi) - Chapter 6 Class 8 Cubes and Cube Roots

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Ex 6.2, 1 - Find cube root of 13824 by prime factorisation method - Ex 6.2

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Ex 6.2, 1 Find the cube root of each of the following numbers by prime factorisation method. (vi) 13824We 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

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo