Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §12.1 The Position Vector, #42 · Multivariable Calculus · Curves in space
If the lines are skew (not in the same plane), find a…
If the lines are skew (not in the same plane), find a formula based on for the distance between them. The vector may not be perpendicular to the two lines, so project it onto a vector that is.
Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §12.1 The Position Vector, #42
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