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Question
Simplify:
\[\left( 5^{- 1} \div 6^{- 1} \right)^3\]
Sum
Solution
`(5^(-1)div6^(-1))^3=(1/5div1/6)^3` `->(a^(-1)=1/a)`
`=(1/5xx6)^3`
`(6/5)^3`
= \[\frac{\left( 6 \right)^3}{\left( 5 \right)^3}\] → ((a/b)n = (an)/(bn) )
= \[\frac{216}{125}\]
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