$\"\"$

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The function is $\"\"$ .

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Apply the integral on each side.

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$\"\"$

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$\"\"$

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$\"\"$ .

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Apply the integral on each side.

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$\"\"$

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$\"\"$

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$\"\"$ .

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$\"\"$

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The initial conditions are $\"\"$ and $\"\"$ .

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Substitute $\"\"$ in $\"\"$ .

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$\"\"$

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Substitute $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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Substitute $\"\"$ in $\"\"$ .

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$\"\"$

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Substitute $\"\"$ .

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$\"\"$

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Substitute $\"\"$ .

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$\"\"$

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$\"\"$ .

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

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$\"\"$

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$\"\"$ .

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$\"\"$

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$\"\"$ .