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Learn in your speed, with individual attention - Teachoo Maths 1-on-1 Class


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Ex 6.2, 1 Find the cube root of each of the following numbers by prime factorisation method. (x) 91125We see that 91125 = 3 × 3 × 3 × 3 × 3 × 3 × 5 × 5 × 5 Since 3 & 5 occur in triplets ∴ 91125 is a perfect cube. Cube root of 91125 = 3 × 3 × 5 = 9 × 5 = 45

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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 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.