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प्रश्न
Evaluate.
3−2
मूल्यांकन
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उत्तर
`3^(-2) = 1/3^2`
= `1/ (3xx3)`
= `1/9` ....`[∵ a^-m = 1/a^m]`
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संबंधित प्रश्न
Express the following as a rational number of the form \[\frac{p}{q},\] where p and q are integers and q ≠ 0.
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(3−1 + 4−1 + 5−1)0
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\[\left( 2^{- 1} + 3^{- 1} \right)^{- 1}\]
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\[\left\{ \left( \frac{2}{3} \right)^2 \right\}^3 \times \left( \frac{1}{3} \right)^{- 4} \times 3^{- 1} \times 6^{- 1}\]
Find x, if
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