7. Find the determinants of the following matrices using the cofactors of the specified row/column. [4 2] (a) ,second row 3. (b) second column

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter4: Eigenvalues And Eigenvectors
Section4.2: Determinants
Problem 20EQ
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7. Find the determinants of the following
matrices using the cofactors of the specified
row/column.
[4 2]
(a)
3.
i second row
(b)
3
,second column
Transcribed Image Text:7. Find the determinants of the following matrices using the cofactors of the specified row/column. [4 2] (a) 3. i second row (b) 3 ,second column
1 2 2
(c) 0 3 1 first column
0 2 2
4 1 3
(d) 2 0 2 second row
1 1 2
Transcribed Image Text:1 2 2 (c) 0 3 1 first column 0 2 2 4 1 3 (d) 2 0 2 second row 1 1 2
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