$\"\"$

\

The function is $\"\"$ .

\

The above equation , $\"\"$ .

\

The intigrating factor is $\"\"$

\

$\"\"$ (Substitute $\"\"$ )

\

$\"\"$

\

$\"\"$ (Integrating factor) $\"\"$

\

The implies that the general solution is

\

$\"\"$

\

$\"\"$ (Substitute)

\

$\"\"$

\

$\"\"$ (Integrating)

\

$\"\"$

\

$\"\"$

\

The general solutions $\"\"$ .