Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.4: The Dot Product
Problem 6E
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Please answer both and show full steps.
![18. Let a = (2,1,-1], T = [4₁-5, 3] and C = [-1₁-2,5].
compute ax (b + c). Show full steps.
19. Find the value of m where the vectors a = (-3,2,-5) and
b = (3m, -2m) and have an angle of 120°. Show full steps,](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5e9b6dff-d19a-42af-bc37-34d630a6af1a%2F5086e5bd-f082-4261-a369-68d919723d89%2Fpebhagm_processed.jpeg&w=3840&q=75)
Transcribed Image Text:18. Let a = (2,1,-1], T = [4₁-5, 3] and C = [-1₁-2,5].
compute ax (b + c). Show full steps.
19. Find the value of m where the vectors a = (-3,2,-5) and
b = (3m, -2m) and have an angle of 120°. Show full steps,
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