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Prove the statement $\"\"$ .

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Consider the reciprocal function $\"\"$ .

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$\"\"$

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Replace $\"\"$ with $\"\"$ .

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$\"\"$

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Substitute $\"\"$ for $\"\"$ in $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$ .

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For the function $\"\"$ , the statement $\"\"$ is true.

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The function $\"\"$ .