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Question
Evaluate:
`(2^-1+3^-1)^3`
Sum
Solution
`(2^-1+3^-1)^3`
=`(1/2+1/3)^3=((1xx3)/(2xx3)+(1xx2)/(3xx2))^3`
=`((3+2)/6)^3=(5/6)^3`
=`(5xx5xx5)/(6xx6xx6)=125/216`
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