Let ~u = ( 1, -1, 0) and ~v = ( -1, 0, 1). Find ~u - ~v and ~u + ~v. b) Are the vectors ~u − ~v and ~u + ~v orthogonal. (c) Explain in general that, given any two vectors ~w1 and ~w2, ~w1 − ~w2 and ~w1 + ~w2 are orthogonal if || ~w1|| = || ~w2

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
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a) Let ~u = ( 1, -1, 0) and ~v = ( -1, 0, 1). Find ~u - ~v and ~u + ~v.

b) Are the vectors ~u − ~v and ~u + ~v orthogonal.

(c) Explain in general that, given any two vectors ~w1 and ~w2, ~w1 − ~w2 and ~w1 + ~w2 are orthogonal if || ~w1|| = || ~w2||.

 

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