Simplify Assume All Variables Represent Positive Real Numbers $\frac { 1 } { \sqrt { 2 x } }$

Multiple Choice

Simplify. Assume all variables represent positive real numbers.
- $\frac { 1 } { \sqrt { 2 x } }$

A) $\frac { \sqrt { 2 x } } { 2 x }$
B) $\frac { \sqrt { 2 x } } { 4 x ^ { 2 } }$
C) $\sqrt { 2 x }$
D) 1