Solve the Problem $y = \frac { x ^ { 2 } } { 4 } - \frac { 1 } { 2 } \ln x , 2 \leq x \leq 4$

Multiple Choice

Solve the problem.
-Find the length of the curve $y = \frac { x ^ { 2 } } { 4 } - \frac { 1 } { 2 } \ln x , 2 \leq x \leq 4$ .

A) $\frac { \ln 2 } { 2 }$
B) $3 + \ln 2$
C) $2 + \ln 3$
D) $3 + \frac { \ln 2 } { 2 }$