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Find the Cube-root of − 512 343

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Question

Find the cube-root of `(-512)/(343)`

Sum
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Solution

`(-512)/(343)`

= `- root(3)(512/343)`

= `- root(3)((8 xx 8 xx 8)/(7 xx 7 xx 7)`

 = `- (8)/(7)`

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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 3.6 | Page 51

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