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Given vectors from the origin r = 3a, + 8a, +a, r=a, -6a, + 5a,, and rc = 7a, - 48,, find: (a) a unit vector perpendicular to both r, and rg; (b) a unit vector perpendic- ular to all the vectors, FATB,FB-Fc, and re-r (c) the area of the triangle defined by the heads of the vectors r , and re-

Given vectors from the origin r = 3a, + 8a, +a, r=a, -6a, + 5a,, and rc = 7a, - 48,, find: (a) a unit vector perpendicular to both r, and rg; (b) a unit vector perpendic- ular to all the vectors, FATB,FB-Fc, and re-r (c) the area of the triangle defined by the heads of the vectors r , and re-

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.3: Vectors
Problem 11E
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16. Given vectors from the origin r = 3a, + 8a, + a₂, B = a, 6a, + 5a,, and rc = 7a, - 4a,, find: (a) a unit vector perpendicular to both r, and rg; (b) a unit vector perpendic- ular to all the vectors, A-, B-Fc, and re-r (c) the area of the triangle defined by the heads of the vectors r4, rg, and re.
Transcribed Image Text:16. Given vectors from the origin r = 3a, + 8a, + a₂, B = a, 6a, + 5a,, and rc = 7a, - 4a,, find: (a) a unit vector perpendicular to both r, and rg; (b) a unit vector perpendic- ular to all the vectors, A-, B-Fc, and re-r (c) the area of the triangle defined by the heads of the vectors r4, rg, and re.
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