Suppose that u = -0-0 3 V = 2 w.u = 13. " and that w is a vector in R³ with ||w|| = 5 and (a) Compute ||u||, ||v||, u · v, and ||u+v||. (b) Show that the Cauchy-Schwarz and triangle inequalities are satisfied by u and v. (c) Compute (u + 2w) · (u − w).

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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1. Suppose that u =
w.u = 13.
1
3
V =
[]
and that w is a vector in R³ with ||w||
= 5 and
(a) Compute ||u||, ||v||, u · v, and ||u + v||.
(b) Show that the Cauchy-Schwarz and triangle inequalities are satisfied by u and v.
(c) Compute (u + 2w). (u − w).
Transcribed Image Text:1. Suppose that u = w.u = 13. 1 3 V = [] and that w is a vector in R³ with ||w|| = 5 and (a) Compute ||u||, ||v||, u · v, and ||u + v||. (b) Show that the Cauchy-Schwarz and triangle inequalities are satisfied by u and v. (c) Compute (u + 2w). (u − w).
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