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प्रश्न
Simplify:
\[\left\{ 5^{- 1} \div 6^{- 1} \right\}^3\]
उत्तर
\[\left\{ 5^{- 1} \div 6^{- 1} \right\}^3\]`= (1/5div1/6)^3` → (a−1 = 1/a)
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