$\"\"$

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The integral is $\"\"$ .

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Rewrite the integral as $\"\"$ .

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$\"\"$

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Apply power rule of integration: $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$ .

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$\"\"$ .

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$\"\"$

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Check the result by using differentiation.

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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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$\"\"$

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$\"\"$

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$\"\"$ .

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$\"\"$

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$\"\"$ .