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Parametric Equations; Orthogonal Vector; Point of Intersection

Please assist me with the attached problems, including:

1. Find the parametric equations for each of the given curvbes

2. Show that the given vector is orthogonal to the line plassing through the given points.


1. Find the point of intersection of each line with each of the coordinate planes

2. Tell whether the two lines intersect, are parallel, are skew or coincide. If they intersect, give the point of intersection ...

See attachment for complete list of problems. Thanks