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सी.आई.एस.सी.ई.आईसीएसई ICSE Class 8

Find the Cube-root of -2197 - Mathematics

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प्रश्न

Find the cube-root of -2197.

योग
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उत्तर

-2197
= `root(3)(-2197)`

13 2197
13 169
13 13
  1

 

 

 

 

= `root(3)(-13 xx -13 xx -13)`
= -13

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अध्याय 4: Cubes and Cube Roots - Exercise 4 (B) [पृष्ठ ५१]

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सेलिना Concise Mathematics [English] Class 8 ICSE
अध्याय 4 Cubes and Cube Roots
Exercise 4 (B) | Q 3.7 | पृष्ठ ५१

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