Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Transcribed Image Text:1) Given r, = 31 – 2j + k, r2 = 2i – 4j – 3k, r3 = -i+ 2j + 2k, find the magnitude of
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2r, – 312 – 5r3.
2) Determine the value of a so that A = 2i + aj + k and B = 4i – 2j – 2k are perpendicular.
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