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

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Ex 6.2, 1 Find the cube root of each of the following numbers by prime factorisation method. (ix) 175616We see that 175616 = 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 7 × 7 × 7 Since 2 & 7 occur in triplets ∴ 46656 is a perfect cube. Cube root of 46656 = 2 × 2 × 2 × 7 = 4 × 14 = 56

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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 14 years. He provides courses for Maths, Science and Computer Science at Teachoo