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Ex 7.2, 1 (vi) - (x) - Find cube root by prime factorisation 13824


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Ex 7.2, 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 all factors 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

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.