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Question
Square of \[\left( \frac{- 2}{3} \right)\] is
Options
- \[- \frac{2}{3}\]
- \[\frac{2}{3}\]
- \[- \frac{4}{9}\]
- \[\frac{4}{9}\]
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Solution
`4/9`
To square a number is to raise it to the power of 2. Hence, the square of (−2/3) is \[\frac{( - 2 )^2}{3^2} = \frac{4}{9}\]
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