Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §11.1 Vectors and Dot Products, #13 · Multivariable Calculus · Vectors & geometry

(a) What is the sum … of the twelve vectors from the…

(a) What is the sum $V$ of the twelve vectors from the center of a clock to the hours?
(b) If the 4 o'clock vector is removed, find $V$ for the other eleven vectors.
(c) If the vectors to $1, 2, 3$ are cut in half, find $V$ for the twelve vectors.

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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §11.1 Vectors and Dot Products, #13

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