$\"\"$

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The derivative function is $\"\"$ , $\"\"$ and $\"\"$ .

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Find $\"\"$ by integrating $\"\"$ with respect to $\"\"$ .

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$\"\"$

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$\"\"$ .

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Substitute $\"\"$ in above expression.

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$\"\"$

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Substitute $\"\"$ in above expression.

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$\"\"$

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Therefore $\"\"$ .

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$\"\"$

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$\"\"$ .

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Find $\"\"$ by integrating $\"\"$ with rspect to $\"\"$ .

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$\"\"$

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Substitute $\"\"$ in above expression.

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$\"\"$

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Substitute $\"\"$ in above expression.

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$\"\"$

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$\"\"$ .

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$\"\"$

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$\"\"$ .