Points P, Q and R have coordinates (4, 4, 7), (9, – 9, 14) and (19, 13, 21) respectively. (a) Find the position vectors of P, Q and R. (b) Find PQ and QŘ. (c) Find |Pa| and |지. (a) The position vector of P is The position vector of Q is The position vector of R is (Type your answer in the form ai + bj + ck.) (b) Pā = aR =D (Type your answer in the form ai + bj + ck.) (c) |P히 |QŘ| =D (Type an exact answer, using radicals as needed.)

Points P, Q and R have coordinates (4, 4, 7), (9, – 9, 14) and (19, 13, 21) respectively. (a) Find the position vectors of P, Q and R. (b) Find PQ and QŘ. (c) Find |Pa| and |지. (a) The position vector of P is The position vector of Q is The position vector of R is (Type your answer in the form ai + bj + ck.) (b) Pā = aR =D (Type your answer in the form ai + bj + ck.) (c) |P히 |QŘ| =D (Type an exact answer, using radicals as needed.)

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.CR: Chapter Review

Problem 5CC

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