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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §11.2 Planes and Projections, #5 · Multivariable Calculus · Vectors & geometry

the plane through … perpendicular to

Find two points P and P0 on the planes and a normal vector N. Verify that N · (P − P0) = 0.

the plane through $(1, 1, 1)$ perpendicular to $i + j - k$

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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §11.2 Planes and Projections, #5

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