Unformatted text preview: #1: Show that the curve x = t cos t , y = t sin t , z = t lies on the cone z 2 = x 2 + y 2 . #2: If r ( t ) 6 = , use  r  2 = r · r to show that d dt  r ( t )  = r ( t ) · r ( t )  r ( t )  . #3: Find the curvature of y = 2 xx 2 ....
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 Spring '06
 MELA
 Math, Topology, partial credit, Inclass quiz, Computational Tools

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