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7. Calculate the angle between x = 7 and 5 =3 when x y=10.5 8. Express c=(-1,2) as a linear combination of a = (-11,7) and b = (-3,1). Explain why the set of vectors spans R² 9. For the vectors x=(1,1) and y = (1,-1), determine vector projection of x onto y

7. Calculate the angle between x = 7 and 5 =3 when x y=10.5 8. Express c=(-1,2) as a linear combination of a = (-11,7) and b = (-3,1). Explain why the set of vectors spans R² 9. For the vectors x=(1,1) and y = (1,-1), determine vector projection of x onto y

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.
Chapter10: Analytic Geometry
Section10.6: The Three-dimensional Coordinate System
Problem 7E
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7. Calculate the angle between x = 7 and 5 =3 when x y=10.5 8. Express c=(-1,2) as a linear combination of a = (-11,7) and b = (-3,1). Explain why the set of vectors spans R² 9. For the vectors x=(1,1) and y = (1,-1), determine vector projection of x onto y
Transcribed Image Text:7. Calculate the angle between x = 7 and 5 =3 when x y=10.5 8. Express c=(-1,2) as a linear combination of a = (-11,7) and b = (-3,1). Explain why the set of vectors spans R² 9. For the vectors x=(1,1) and y = (1,-1), determine vector projection of x onto y
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