\"\"

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The curve is \"\" and \"\", \"\".

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Graph :

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(1) Draw the coordinate plane.

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(2) Graph the curve \"\" and \"\".

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\"\".

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\"\"

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The curve is \"\" and \"\", \"\".

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Consider \"\".

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Apply derivative on each side with respect to \"\".

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\"\"

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Consider \"\".

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Apply derivative on each side with respect to \"\".

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\"\"

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\"\"

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Find the length of the curve.

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Theorem :

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If a curve is described by the parametric equations \"\" and \"\", \"\", then the length of the curve is \"\".

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\"\"

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\"\"

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The length of the curve is \"\".

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\"\"

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The length of the curve is \"\".

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Graph of the curve :

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\"\".