MediumVectors & geometry

Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §11.2 Planes and Projections, #38 · Multivariable Calculus · Vectors & geometry

Draw the line … and the vector

All points and vectors are in the $x y$ plane.

Draw the line $x + 2 y = 4$ and the vector $N = i + 2 j$ . The closest point to $Q = (3, 3)$ is $P = Q + t N$ . Find $t$ . Find $P$ .

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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §11.2 Planes and Projections, #38

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