Answered: 18) If u = 5i +3j and v=-2i-j then find…

18) If u = 5i +3j and v=-2i-j then find |20-3u|| = Answer u =<10,10,5 >,v=< 0,-3,4>, round to 4 decimal paces 19) Find the angle between vectors

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter8: Applications Of Trigonometry

Section: Chapter Questions

Problem 12T

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Question

18) If
u = 5i +3j and v=-2i-j then find
|20-3u|| =
Answer
u =<10,10,5 >,v=< 0,-3,4>, round to 4 decimal paces
19) Find the angle between vectors

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