Find the Cube of −21 . - Mathematics

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Sum

Find the cube of −21 .

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Solution

Cube of - 21 is given as:  

\[\left( - 21 \right)^3 = - 21 \times - 21 \times - 21 = - 9261\]
Thus, the cube of - 21 is ( - 9261).
 
 
 
 
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Chapter 4: Cubes and Cube Roots - Exercise 4.2 [Page 13]

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RD Sharma Class 8 Maths
Chapter 4 Cubes and Cube Roots
Exercise 4.2 | Q 1.3 | Page 13

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