3. Let 1 0 1 A = 3 1 2 4 1 3 (a) Find the determinant of A. (b) Is A invertible? Why or why not?

Elementary Linear Algebra (MindTap Course List)
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ISBN:9781305658004
Author:Ron Larson
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Chapter3: Determinants
Section3.CM: Cumulative Review
Problem 18CM: Find the determinant of the matrix. [4032013501511103]
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Linear Algebra
3.
Let
1 0 1
A= 3 1 2
4 1 3/
(a) Find the determinant of A.
(b) Is A invertible? Why or why not?
Transcribed Image Text:3. Let 1 0 1 A= 3 1 2 4 1 3/ (a) Find the determinant of A. (b) Is A invertible? Why or why not?
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