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Unformatted text preview: , 2 , 3) which is perpendicular to the line x = 1 + t , y = 12 t , z = 4 t and intersects it. 4. Show that, if u + v and uv are orthogonal, then  u  =  v  . Not Quiz Related 1. Classify and sketch the following surfaces: (a) z = x 2 + y 2 (b) z 2 = x 2 + y 2 (c) 1 + z 2 = x 2y 2 (d) 1 + z 2 = x 2 + y 2 2. What is the domain of the vector function r ( t ) = D 2t, ln t, t 21 t1 E ? 3. At what point(s) do the curves r ( t ) = t 2 ,t 2 + 1 , 4 t and s ( t ) = t4 , 1 2 t, t 24 intersect? 1...
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 Spring '08
 BOCIU
 Math, Calculus

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