$\"\"$

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The function is $\"\"$ and the differential equation is $\"\"$ .

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$\"\"$ .

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Apply derivative on each side with respect to $\"\"$ .

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$\"\"$

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$\"\"$ .

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Apply derivative on each side with respect to $\"\"$ .

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$\"\"$

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$\"\"$

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Differential equation is $\"\"$ .

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The function $\"\"$ satisfies the differential equation $\"\"$ .

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Substitute the results of $\"\"$ , $\"\"$ and $\"\"$ in $\"\"$ .

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$\"\"$

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$\"\"$

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

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The values of $\"\"$ are $\"\"$ or $\"\"$ .

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$\"\"$

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The values of $\"\"$ are $\"\"$ or $\"\"$ .