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

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Ex 6.2, 1 - Find cube root of 175616 by prime factorisation method - Ex 6.2

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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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