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Equations of Planes: Vector & Component Forms | Multivariable Calculus

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How To Find The Vector Equation of a Line and Symmetric & Parametric Equations

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Geometric Meaning of the Gradient Vector

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Vector Equation of a Line (1 of 2: Lines in 3 dimensions)

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Directional Derivatives | What's the slope in any direction?

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Calculus 3 Lecture 11.5: Lines and Planes in 3-D

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Everything You Need to Know About VECTORS

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Finding the distance from a point to a line (using vectors)