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Unformatted text preview: 1 2 . Therefore, the shadow of the curve in the xyplane can be parametrized by x = t, y = t 21 2 . We then nd that z = 1 + y = t 2 + 1 2 . So the curve is parametrized by the vector function r ( t ) = t i + t 21 2 j + t 2 + 1 2 k ....
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 Spring '08
 DORAIS
 Calculus, Cone

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