2. Let ű = -4 and (a) Compute the length of the vector u. (b) Compute 2ã + 7ổ. (c) Compute projzũ.

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
SectionP.CT: Test
Problem 1CT
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2. Let ű =|-4 and i
(a) Compute the length of the vector u.
(b) Compute 2ữ + 70.
(c) Compute projeũ.
(d) Find all values a for which ữ and i are orthogonal.
(e) For which values of a is the angle between ű and i acute and for which values is it obtuse?
Transcribed Image Text:2. Let ű =|-4 and i (a) Compute the length of the vector u. (b) Compute 2ữ + 70. (c) Compute projeũ. (d) Find all values a for which ữ and i are orthogonal. (e) For which values of a is the angle between ű and i acute and for which values is it obtuse?
Expert Solution
Step 1

Since, the question has multiple subparts, we will solve the first 3 subparts as per company guidelines , ask the rest of the question in different post.

Given: u = 1-4α and  v =31α

Length of a vector abc is defined as a2+b2+c2

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