![]() ![]() Since the ratios are not equal, the planes are not parallel. To say whether the planes are parallel, we'll set up our ratio inequality using the direction numbers from their normal vectors. Parallel, perpendicular, and angle between planes. ![]() ![]() Let N = Ai + Bj + Ck be the nonzero vector perpendicular to a plane. 7) Determine whether the lines l1 and l2 are parallel, coincident, skew. 1) Find a vector parameterization for the line that passes. ![]()
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