$\"\"$

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The integral function is $\"\"$ .

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Consider $\"\"$ then $\"\"$ .

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Substitue $\"\"$ and $\"\"$ in $\"\"$ .

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$\"\"$

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Use the formula : $\"\"$ .

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$\"\"$

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Substitue $\"\"$ in the above equation.

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$\"\"$ .

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$\"\"$

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$\"\"$ .