The General Solution Of $x y d x - \left( 1 + x ^ { 2 } \right) d y = 0$

Multiple Choice

The general solution of $x y d x - \left( 1 + x ^ { 2 } \right) d y = 0$ is

A) $y ^ { 2 } = c \left( 1 + x ^ { 2 } \right)$
B) $y ^ { 2 } = c \left( 1 - x ^ { 2 } \right)$
C) $y = c \left( 1 + x ^ { 2 } \right)$
D) $y = c \left( 1 - x ^ { 2 } \right)$
E) $y ^ { 2 } = c ( 1 + x )$