Question:The value of `5^1∕4 xx (125)^0.25` is ; 

A `sqrt(5)` 
B `5sqrt(5)` 
C `5` 
D `25` 

+ Answer
C 

+ Explanation
`5^1∕4 xx (125)^0.25`

`= 5^0.25 xx (5^3)^0.25`

`= 5^0.25 xx 5^(3 xx 0.25)`

`= 5^0.25 xx 5^0.75`

`= 5^(0.25 + 0.75)`

`= 5^1`

`= 5`.

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Irin Moni

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