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Chapter 7 Class 8 Cubes and Cube Roots
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Example 1 - Chapter 7 Class 8 Cubes and Cube Roots

Last updated at Sept. 21, 2018 by

Example 1 - Is 243 a perfect cube? - Chapter 7 Class 8 - Examples

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Example 1 (Chapter 7 Class 8 Cube and Cube Roots NCERT) Is 243 a perfect cube? Doing Prime factorization of 243 3 | 243 3 | 81 3 | 27 3 | 9 3 | 3 | 1 We see that 243 = 3 × 3 × 3 × 3 × 3 Since 3 does not occur in triplets, ∴ 243 is not a perfect cube.

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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.