Determine whether the lines l1 and l2 are parallel, skew, or intersecting

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1

Determine whether the lines l1 and l2 are parallel, skew, or intersecting. If they intersect, find the point of intersection.

l1: x=3-2t, y=7+4t, z=-3+8t
l2: x=-1-u, y=18+3u, z=7+2u

Answer:

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