Solve the differential equation.
-$$x \frac { d y } { d x } = y + \left( x ^ { 2 } - 1 \right) ^ { 2 }$$
A) $y = \frac { 1 } { 3 } x ^ { 4 } - 2 x \ln x + C x$
B) $y = \frac { 1 } { 3 } x ^ { 4 } - 2 x ^ { 2 } - 1 + C x$
C) $y = \frac { 1 } { 3 } x ^ { 3 } - 2 x - \frac { 1 } { x } + C$
D) $y = x ^ { 4 } - x ^ { 2 } - 1 + C x$

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The Answer of Solve the differential equation.
-$$x \frac { d y } { d x } = y + \left( x ^ { 2 } - 1 \right) ^ { 2 }$$
A) $y = \frac { 1 } { 3 } x ^ { 4 } - 2 x \ln x + C x$
B) $y = \frac { 1 } { 3 } x ^ { 4 } - 2 x ^ { 2 } - 1 + C x$
C) $y = \frac { 1 } { 3 } x ^ { 3 } - 2 x - \frac { 1 } { x } + C$
D) $y = x ^ { 4 } - x ^ { 2 } - 1 + C x$

Solve the Differential Equation xdydx=y+(x2−1)2x \frac { d y } { d x } = y + \left( x ^ { 2 } - 1 \right) ^ { 2 }xdxdy​=y+(x2−1)2

Solve the Differential Equation $x \frac { d y } { d x } = y + \left( x ^ { 2 } - 1 \right) ^ { 2 }$