$\"\"$

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The limit is $\"\"$ , where $\"\"$ and $\"\"$ .

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As $\"\"$ is continuous on $\"\"$ .

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Expression can be written as $\"\"$ .

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$\"\"$

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$\"\"$ .

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$\"\"$

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Graph the equation $\"\"$ on $\"\"$ .

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Shade the required region.

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$\"\"$

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$\"\"$

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$\"\"$ .

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Graph of the equation $\"\"$ on $\"\"$ .

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$\"\"$ .