Find all values of k so that the 1 -1 2 k k² matrix A = 1 [2 1 4 is singular.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter9: Systems Of Equations And Inequalities
Section9.5: Systems Of Linear Equations In More Than Two Variables
Problem 13E
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matrix A
—
Find all values of k so that the
-1 2
1
2
1 k
4 k²
is singular.
Transcribed Image Text:matrix A — Find all values of k so that the -1 2 1 2 1 k 4 k² is singular.
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