The differential equation is .
Apply integral on each side.
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Consider .
Apply parts of integration formula: .
Let .
Apply derivative on each side.
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Let .
Apply integral on each side.
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Substitute corresponding values in .
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Consider .
Let .
Apply derivative on each side with respect to .
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Substitute and
in
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Substitute .
.
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Substitute and
in
.
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The general solution is
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