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Ex 7.2, 1 (i) - (v) - Chapter 7 Class 8 Cubes and Cube Roots - Part 3


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Ex 7.2, 1 Find the cube root of each of the following numbers by prime factorisation method. (iii) 10648We see that 10648 = 2 × 2 × 2 × 11 × 11 × 11 Since 2 & 11 occur in triplets ∴ 10648 is a perfect cube. Cube root of 10648 = 2 × 11 = 22

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Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths and Science at Teachoo.