What Is the Area Under the Curve Y = $\frac { 1 } { \sqrt { x } }$

Multiple Choice

What is the area under the curve y = $\frac { 1 } { \sqrt { x } }$ between x = 1 and x = 2?

A) 2 $\sqrt { 2 }$ - 2
B) $\frac { \ln \sqrt { 2 } } { \sqrt { 2 } }$
C) ln $\sqrt { 2 }$
D) $\frac { \sqrt { 2 } - 1 } { 2 }$
E) none of these