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5. 2 10 20 (C) 30 (D) 40 B Not to Scale a In the diagram OAB is a triangle with vector OA=a and OB=b such that | |=5, | b|=8 and | a-b=7. What is the value of a.b? (A) 2.b = 1211510

5. 2 10 20 (C) 30 (D) 40 B Not to Scale a In the diagram OAB is a triangle with vector OA=a and OB=b such that | |=5, | b|=8 and | a-b=7. What is the value of a.b? (A) 2.b = 1211510

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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5. b 2 (A) 10 (B) 20 (C) 30 (D) 40 Not to Scale In the diagram OAB is a triangle with vector OA= q and OB=b such that | g|=5, | b|=8 and a-b-7. What is the value of a. b? a. b = 121151 40.
Transcribed Image Text:5. b 2 (A) 10 (B) 20 (C) 30 (D) 40 Not to Scale In the diagram OAB is a triangle with vector OA= q and OB=b such that | g|=5, | b|=8 and a-b-7. What is the value of a. b? a. b = 121151 40.
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