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21. Determine the value of k so that i = [- 5,k, 3] and i = [1,2, – 7] are orthogonal.

21. Determine the value of k so that i = [- 5,k, 3] and i = [1,2, – 7] are orthogonal.

Intermediate Algebra
Intermediate Algebra
19th Edition
ISBN:9780998625720
Author:Lynn Marecek
Publisher:Lynn Marecek
Chapter4: Systems Of Linear Equations
Section4.6: Solve Systems Of Equations Using Determinants
Problem 4.103TI: Determine whether the points (3,2),(5,3), and (1,1) are collinear.
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21. Determine the value of k so that = [- 5, k, 3] and 7 = [1,2, –7] are orthogonal.
Transcribed Image Text:21. Determine the value of k so that = [- 5, k, 3] and 7 = [1,2, –7] are orthogonal.
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