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Find the Cube-root of 64 X 729

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Question

Find the cube-root of 64 x 729

Sum
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Solution

64 x 729
= `root(3)(64 xx 729)`
= `sqrt(4 xx 4 xx 4 xx 9 xx 9 xx 9)`
= 4 x 9
= 36

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Chapter 4: Cubes and Cube Roots - Exercise 4 (B) [Page 51]

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Selina Concise Mathematics [English] Class 8 ICSE
Chapter 4 Cubes and Cube Roots
Exercise 4 (B) | Q 2.4 | Page 51

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