Find the determonant of the matrix A 1 2 1 -21 -1 -2 -1 4 2 1 3 2 --2 1 2 -31

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter9: Systems Of Equations And Inequalities
Section: Chapter Questions
Problem 48RE
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Question
Find the determonant of the matrix A
1
2 1 -21
-1 -2 -1 4
2
132
L-2 1 2 -3
Transcribed Image Text:Find the determonant of the matrix A 1 2 1 -21 -1 -2 -1 4 2 132 L-2 1 2 -3
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