$\"\"$

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The laplace transform of $\"\"$ is $\"\"$ .

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Find the laplace transform when $\"\"$ .

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

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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Therefore, $\"\"$ , $\"\"$ .

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$\"\"$

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The laplace transform of $\"\"$ is $\"\"$ , $\"\"$ .