$\"\"$

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The differential equation is $\"\"$ .

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Compare the above equation with $\"\"$ .

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$\"\"$ and $\"\"$ .

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The integrating factor is $\"\"$ .

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Substitute $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

\

$\"\"$ .

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$\"\"$

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The general solution is $\"\"$ .

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Substitute $\"\"$ and $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

\

$\"\"$

\

$\"\"$ .

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Therefore, the general solution is $\"\"$ .

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$\"\"$

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The general solution is $\"\"$ .