7. Sara wants to show that (a × b) × ê ‡ à × (b × c). Yasmina says that it is impossible and comes up with three sets of vectors to prove Sara wrong. Do any of Yasmina's sets of vectors prove Sara's statement to be correct? Explain with words and math. [ i. a = (1,0,0), b = (0, 1, 0), c = (0,0,1) (1, 1,0), b = (1, −1,0), è = (0, 0, −1) iii. a = (1, 0, 0), b = (1, 1, 0), ¿ = (1, 1, 1) ii. à =
7. Sara wants to show that (a × b) × ê ‡ à × (b × c). Yasmina says that it is impossible and comes up with three sets of vectors to prove Sara wrong. Do any of Yasmina's sets of vectors prove Sara's statement to be correct? Explain with words and math. [ i. a = (1,0,0), b = (0, 1, 0), c = (0,0,1) (1, 1,0), b = (1, −1,0), è = (0, 0, −1) iii. a = (1, 0, 0), b = (1, 1, 0), ¿ = (1, 1, 1) ii. à =
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.4: The Dot Product
Problem 46E
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