\"\"

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In an equilateral hyperbola, \"\".

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Solve for \"\", by using \"\".

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

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\"\"

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Eccentricity : \"\".

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Substitute \"\" in \"\".

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\"\"

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\"\".

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Thus, the eccentricity of any equilateral hyperbola is \"\".

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\"\"

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The eccentricity of any equilateral hyperbola is \"\".