n^(n/2)=6 is true when n=6 in the same way what is the value of n if n^(n/2) =9? Choices
A) 16  B) 14  C) 18  D) 6  E) 9

Rationale: n ^ ( n / 2 ) = 9 apply log n / 2 logn = log 9 nlogn = 2 log 9 = log 9 ^ 2 = log 81 logn = log 81 now apply antilog n = 81 / n now n = 9 . answer : e
Answer: E