1. Let u = (1,2,3) and v= (1, x, 0) and w= (0,1,0). a. Find ||u + w||. b. Find (u, u + w) + ||u||. c. Find x such that the angle between u + w and v is 45°.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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1. Let u = (1,2,3) and v = (1, x, 0) and w = (0,1,0).
a. Find ||u + w|l.
b. Find (u, u + w) + ||u||.
c. Find x such that the angle between u + w and v is 45°.
Transcribed Image Text:1. Let u = (1,2,3) and v = (1, x, 0) and w = (0,1,0). a. Find ||u + w|l. b. Find (u, u + w) + ||u||. c. Find x such that the angle between u + w and v is 45°.
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