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Vectors and Parametric Equations of Lines

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2. Find a vector equation and parametric equations for the line.
3. The line through the point (?2, 4, 10) and parallel to the vector (3, 1, ?8)
Find parametric equations and symmetric equations for the line.
8. The line through the points (6, 1, ?3) and (2, 4, 5)
11. The line through (1, ?1, 1) and parallel to the line x +2=1/2 y = z-3

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The equation to the line through the point (a1, a2, a3) and with direction ratios l, m, n is given by ...

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