If I = $\int$ C $\left( \frac { y } { x - 1 } \right) d x + \left( \ln ( 2 x - 2 ) + \frac { 1 } { y } \right) d y$

Multiple Choice

If I = $\int$ C $\left( \frac { y } { x - 1 } \right) d x + \left( \ln ( 2 x - 2 ) + \frac { 1 } { y } \right) d y$ is independent of the path where C is a curve from (3, 1) to (2, 2) , then I is

A) 0
B) $\ln 2$
C) $\ln 3$
D) $\ln 5$
E) $\ln 6$