List the eigenvalues of A. The transformation x→Ax is the composition of a rotation and a scaling. Give the angle op of the rotation, where -

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter9: Systems Of Equations And Inequalities
Section9.8: Determinants
Problem 26E
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Linear Algebra

List the eigenvalues of A. The transformation x→Ax is the composition of a rotation and a scaling. Give the angle of the rotation, where - <≤, and give the scale factor r.
A =
3√3
r=
- 3
3 3√3
The eigenvalues of A are >=
(Simplify your answer. Use a comma to separate answers as needed. Type an exact answer, using radicals and i as needed.)
Q=
(Simplify your answer. Type an exact answer, using as needed.)
(Simplify your answer.)
Transcribed Image Text:List the eigenvalues of A. The transformation x→Ax is the composition of a rotation and a scaling. Give the angle of the rotation, where - <≤, and give the scale factor r. A = 3√3 r= - 3 3 3√3 The eigenvalues of A are >= (Simplify your answer. Use a comma to separate answers as needed. Type an exact answer, using radicals and i as needed.) Q= (Simplify your answer. Type an exact answer, using as needed.) (Simplify your answer.)
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