$\"\"$

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The integral is $\"\"$ .

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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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$\"\"$

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$\"\"$ .

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

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Verify the integral by using graph:

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Graph of the integral $\"\"$ is

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$\"\"$ .

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Observe the graph, $\"\"$ .

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$\"\"$

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$\"\"$ .