$\"\"$

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Let $\"\"$ be a differentiable function of $\"\"$ , $\"\"$ .

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$\"\"$

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The indefinite integral is $\"\"$ .

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Let $\"\"$ .

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Differentiate with respect to $\"\"$ .

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$\"\"$ (Since $\"\"$ )

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$\"\"$

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

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$\"\"$

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$\"\"$

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Apply formula : $\"\"$ .

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$\"\"$

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Replace $\"\"$ with $\"\"$ .

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$\"\"$

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$\"\"$ .

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$\"\"$

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$\"\"$ .