Q2: If u = 2i +4j- 5k and v= -4i-8j+ak, (1) For what value or values of a will the vectors u and v be parallel? (2) Find u.v (3) Find proj, u.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.3: Vectors
Problem 8E
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Q2:
If u = 2i + 4j- 5k and v= -4i-8j+ak, (1) For what value or
values of a will the vectors u and v be parallel? (2) Find u. v (3) Find proj, u.
Transcribed Image Text:Q2: If u = 2i + 4j- 5k and v= -4i-8j+ak, (1) For what value or values of a will the vectors u and v be parallel? (2) Find u. v (3) Find proj, u.
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