39. Given a = (3, -4) and b = (1, 2). Find the vector 2 a. (3,4) a. b. 2,4) c. (6,-8) d. (5,-2)

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 5E: For the line l:x,y,z=2,3,4+n3,-2,5, find a a point of the line. b a direction vector for the line.
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39. Given a = (3, -4) and b = (1, 2). Find the vector 2 a.
(3,4)
a.
b. 2,4)
c. (6,-8)
d. (5,-2)
Transcribed Image Text:39. Given a = (3, -4) and b = (1, 2). Find the vector 2 a. (3,4) a. b. 2,4) c. (6,-8) d. (5,-2)
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Step 1

From the given statement,

the vectors a (3,-4) and b (1,2)
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