For all positive numbers \(a\) and \(b\), let \(a \square b = \sqrt { ab } \). If \(n > 1\), what does \(n \square \frac { 1 } { n } \) equal?
(A)\(\sqrt { n } \) (B)\(\sqrt { n^2 } \) (C)\(\frac { 1 } { \sqrt { n } } \) (D)\(\frac { 1 } { \sqrt { n^2 } } \) (E)1
E