Problem

Vector A extends from the origin to (1, 2, 3), and vector B extends from the origin to (2,...

Vector A extends from the origin to (1, 2, 3), and vector B extends from the origin to (2, 3, −2). Find (a) the unit vector in the direction of (AB); (b) the unit vector in the direction of the line extending from the origin to the midpoint of the line joining the ends of A and B.

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Solutions For Problems in Chapter 1