\"\"

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The function of \"\" and \"\".

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Find \"\".

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\"\".

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Differentiate on each side with respect to \"\".

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\"\"

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Quotient rule of derivatives: \"\".

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\"\"

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\"\".

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\"\"

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Find \"\" at \"\".

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\"\".

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Substitute \"\" in the \"\".

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\"\"

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\"\".

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\"\"

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The derivative of the function is \"\".

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The derivative of the function at \"\" is  \"\".