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Find the Cube-root of -216

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Question

Find the cube-root of -216

Sum
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Solution

-216
= `root(3)(-216)`
= `sqrt(-6 xx -6 xx -6)`
= -6

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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 3.1 | Page 51

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