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9. a = {-2; 1; – 2}, b={12; 5; 0}, m=3, n=-3;

9. a = {-2; 1; – 2}, b={12; 5; 0}, m=3, n=-3;

Elementary Geometry For College Students, 7e
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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For the given vectors a and b , find a) the unit vectora , which is codirectional to the vector a; b) the angle 
between the vectors a and b; the 
projection of the vector b onto the 
vector a; the coordinates of the 
vector c=ma+nb.

9. ā = {-2; 1; – 2}, b={12; 5; 0}, m=3, n=-3;
Transcribed Image Text:9. ā = {-2; 1; – 2}, b={12; 5; 0}, m=3, n=-3;
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