For vectors u, v, and w, which of the following expressions is incorrect (or does not make sense)? A. ∣u+v∣+∣v∣ B. w + u × v C. None of the above. D. u + u⋅v E. u⋅(u × v)

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.2: The Law Of Cosines
Problem 3E
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1. For vectors u, v, and w, which of the following expressions is incorrect (or does not make sense)?

A. ∣u+v∣+∣v∣

B. w + u × v

C. None of the above.

D. u + u⋅v

E. u⋅(u × v)

 

2. In the diagram below, u × w = 0. (See image attached)

A. True
B. False
 
 
u
V
25°
w
Transcribed Image Text:u V 25° w
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