2. Let x = (1, 1, 1, 1)" and y = (8, 2, 2, 0)". (a) Determine the angle 0 between x and y. (b) Find the vector projection p of x onto y. (c) Verify that x – pis orthogonal to p. (d) Compute ||x – p||2, ||p||2, ||x||2 and verify that the Pythagorean law is satisfied.

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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2. Let x = (1, 1, 1, 1)" and y = (8, 2, 2, 0)".
(a) Determine the angle 0 between x and y.
(b) Find the vector projection p of x onto y.
(c) Verify that x – pis orthogonal to p.
(d) Compute ||x – p||2, ||p||2, ||x||2 and verify that
the Pythagorean law is satisfied.
Transcribed Image Text:2. Let x = (1, 1, 1, 1)" and y = (8, 2, 2, 0)". (a) Determine the angle 0 between x and y. (b) Find the vector projection p of x onto y. (c) Verify that x – pis orthogonal to p. (d) Compute ||x – p||2, ||p||2, ||x||2 and verify that the Pythagorean law is satisfied.
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