Consider the two vectors in R3: ü = (-20, -20, -12) and = (-25, c, -15) where c is an unknown. (a) For what value of c are ü and i collinear? Answer. c = Number (b) For what value of e are i and v orthogonal? Answer. c = Number FORMATTING: Give exact answers, not decimal approximations. To enter fractions like , type 1/2.

Elementary Linear Algebra (MindTap Course List)
8th Edition
ISBN:9781305658004
Author:Ron Larson
Publisher:Ron Larson
Chapter5: Inner Product Spaces
Section5.CM: Cumulative Review
Problem 2CM: Take this test to review the material in Chapters 4and Chapters 5. After you are finished, check...
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Consider the two vectors in IR3:
ü = (-20, –20, –12) and = (-25, c, -15)
where c is an unknown.
(a) For what value of c are ū and i collinear?
Answer. c = Number
(b) For what value of c are u and i orthogonal?
Answer. c = Number
FORMATTING: Give exact answers, not decimal approximations. To enter fractions like , type 1/2.
Transcribed Image Text:Consider the two vectors in IR3: ü = (-20, –20, –12) and = (-25, c, -15) where c is an unknown. (a) For what value of c are ū and i collinear? Answer. c = Number (b) For what value of c are u and i orthogonal? Answer. c = Number FORMATTING: Give exact answers, not decimal approximations. To enter fractions like , type 1/2.
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