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Cube of − 1 2 is - Mathematics

MCQ
Sum

Cube of \[\frac{- 1}{2}\] is

 

Options

  • \[\frac{1}{8}\]

     

  • \[\frac{1}{16}\]

     

  • \[- \frac{1}{8}\]

     

  • \[\frac{- 1}{16}\]

     

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Solution

` (-1)/8`
The cube of a number is the number raised to the power of 3. Hence the cube of −1/2 is \[\frac{( - 1 )^3}{2^3}\] → ( (a/b)n = (an)/(bn

\[= \frac{- 1}{8}\]
  Is there an error in this question or solution?
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APPEARS IN

RD Sharma Class 8 Maths
Chapter 2 Powers
Q 2 | Page 22
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