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Question
Simplify:
\[\left\{ 5^{- 1} \div 6^{- 1} \right\}^3\]
Sum
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Solution
\[\left\{ 5^{- 1} \div 6^{- 1} \right\}^3\]`= (1/5div1/6)^3` → (a−1 = 1/a)
\[= \left( \frac{6}{5} \right)^3\]
\[= \frac{216}{125}\] →((a/b)n = (an)/(bn))
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