The General Solution of the Exact Differential Equation Is

A)

Multiple Choice

The general solution of the exact differential equation $\left( 2 x \sin \left( \frac { y } { x } \right) - y \cos \left( \frac { y } { x } \right) \right) d x + x \cos \left( \frac { y } { x } \right) d y = 0$ is

A) $y ^ { 2 } \sin \left( \frac { y } { x } \right) = C$
B) $x ^ { 2 } \cos \left( \frac { x } { y } \right) = C$
C) $x ^ { 2 } \sin \left( \frac { y } { x } \right) = C$
D) $x ^ { 2 } \cos \left( \frac { y } { x } \right) = C$
E) $x ^ { 2 } \sin \left( \frac { x } { y } \right) = C$