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Find If the Following Number is a Perfect Cube? 1331 - Mathematics

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Sum

Find if the following number is a perfect cube?
1331

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Solution

1331

11 1331
11 121
11 11
  1

 

 

 

 

∴ 1331 = 11 x 11 x 11 = (11)3
∴ 1331 is a perfect cube.

Concept: Concept of Cube Root
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APPEARS IN

Selina Concise Mathematics Class 8 ICSE
Chapter 4 Cubes and Cube Roots
Exercise 4 (A) | Q 2.3 | Page 47
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