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Find the Cube-root of -1331

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Question

Find the cube-root of -1331

Sum
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Solution

-1331
= `root(3)(-1331)`
= `sqrt(-11 xx -11 xx -11)`
= -11

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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 3.3 | Page 51

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