$\"\"$

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The expression is $\"\"$ .

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Take out the term $\"\"$ from the denominator.

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$\"\"$

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Distribute the limit to both the numerator and denominator.

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$\"\"$

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As $\"\"$ , then $\"\"$ .

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$\"\"$

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Evaluate the limits.

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$\"\"$

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$\"\"$

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$\"\"$ .