Question:If `sqrt(n^n) = 64` then the value of n is : 

A 2 
B 4 
C 6 
D 12 

+ Answer
D 

+ Explanation
`sqrt(2^n) = 64 <=>2^(n∕2)`

`= 64 = 2^6`

`:. n/2 = 6 or n = 12.`

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Irin Moni

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