$\"\"$

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The integral is $\"\"$ .

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Let $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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Apply the integration rule: $\"\"$ .

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$\"\"$

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Substitute $\"\"$ .

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

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$\"\"$

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Graph :

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Draw a coordinate plane.

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Graph the integrand : $\"\"$ .

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$\"\"$

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Observe the graph :

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The integral $\"\"$ is equal to $\"\"$ .

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$\"\"$

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