$\"\"$

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The integral is $\"\"$ .

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Consider the indefinte integral $\"\"$ .

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Sum and difference rule of integrals : $\"\"$ .

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$\"\"$

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$\"\"$

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Power rule of the integrals : $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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

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Apply the limits.

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$\"\"$ $\"\"$ $\"\"$

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$\"\"$

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$\"\"$

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$\"\"$ .

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

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$\"\"$ .