Find the Cube-root of − 64 343 - Mathematics

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Sum

Find the cube-root of `-(64)/(343)`

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Solution

`-(64)/(343)`

= `root(3)(-64)/root(3)(343)`

= `root(3)(-4 xx -4 xx -4)/root(3)(7 xx 7 xx 7)`

= `(-4)/(7)`

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

APPEARS IN

Selina Concise Mathematics Class 8 ICSE
Chapter 4 Cubes and Cube Roots
Exercise 4 (B) | Q 3.5 | Page 51
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