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प्रश्न
Express the following rational numbers with a positive exponent:
\[\left( \frac{3}{4} \right)^{- 2}\]
योग
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उत्तर
\[\left( \frac{3}{4} \right)^{- 2} \]
\[ = \left( \frac{4}{3} \right)^2\] → (a−1 = 1/a)
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