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प्रश्न
Square of \[\left( \frac{- 2}{3} \right)\] is
विकल्प
- \[- \frac{2}{3}\]
- \[\frac{2}{3}\]
- \[- \frac{4}{9}\]
- \[\frac{4}{9}\]
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उत्तर
`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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संबंधित प्रश्न
Find the value of the following:
3−1 + 4−1
By what number should 5−1 be multiplied so that the product may be equal to (−7)−1?
Express the following as a rational number in the form \[\frac{p}{q}:\]
(−7)−1
Express the following rational numbers with a negative exponent:
Express the following rational numbers with a negative exponent:
Express the following rational numbers with a positive exponent:
Express the following rational numbers with a positive exponent:
If \[x = \left( \frac{4}{5} \right)^{- 2} \div \left( \frac{1}{4} \right)^2\], find the value of x−1.
Simplify and express the result in power notation with positive exponent.
(3−7 ÷ 3−10) × 3−5
