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Quiz 3\quad Sept. 15/17, 1992\cr
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1. Find the equation of the plane through the point $(1,-1,4)$ perpendicular to the line $x = -2 + 5t$, $y = 1 - t$, $z = -3 t$.
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2. Find a vector tangent to the curve $r = 3\cos(t)\i + {2t\over \pi}\j + 3\sin(t)\k$ at the point $(-3,2,0)$.
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