# Cube of − 1 2 is - Mathematics

MCQ
Sum

Cube of $\frac{- 1}{2}$ is

#### Options

• $\frac{1}{8}$

• $\frac{1}{16}$

• $- \frac{1}{8}$

• $\frac{- 1}{16}$

#### 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

$= \frac{- 1}{8}$
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#### APPEARS IN

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