$\"\"$

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The integral is $\"\"$ .

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$\"\"$

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Subustiute $\"\"$ and $\"\"$ .

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$\"\"$ .

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$\"\"$

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Apply the sum and difference rule of integration : $\"\"$ .

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$\"\"$ .

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$\"\"$

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Consider the first part of integral $\"\"$ .

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It is in the form of $\"\"$ .

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Where $\"\"$ .

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$\"\"$ .

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Consider the second part of integral $\"\"$ .

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Subustiute $\"\"$ .

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$\"\"$ .

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$\"\"$ .

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Earlier we subustituted $\"\"$ and $\"\"$ .

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$\"\"$ .

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$\"\"$

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$\"\"$ .

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$\"\"$

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$\"\"$ $\"\"$ .