7) Relative to an origin O, the position vectors of the points A and B are given by OA P (-) and OB= +- (²+²) 4 -2 Find a) the value of the constant p for which the angle BOA = 90⁰ b) the unit vector in the direction of AB when p = 2 c) the position vector of the foot of the perpendicular from point A to the line which passes through O and B in the case where p = -1.
7) Relative to an origin O, the position vectors of the points A and B are given by OA P (-) and OB= +- (²+²) 4 -2 Find a) the value of the constant p for which the angle BOA = 90⁰ b) the unit vector in the direction of AB when p = 2 c) the position vector of the foot of the perpendicular from point A to the line which passes through O and B in the case where p = -1.
Algebra and Trigonometry (MindTap Course List)
4th Edition
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Vectors In Two And Three Dimensions
Section9.4: Vectors In Three Dimensions
Problem 2E
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