3 4 1 4. 12 24
Chapter7: Matrices And Determinants
Section7.4: The Determinant Of A Square Matrix
Problem 4ECP
Related questions
Question
Answer letter b only
Transcribed Image Text:Find the value of each of the following determinants:
|! 2 3 4|
12 3 4
1
2
21 4 3
(a)
3 4 2 1
4 3 21
1
(b)
(c)
2 1
4 3
-2
3
4 3 1
1
-3
-2
-3
8.
9.
4.
6.
4
-6
4
8
7
6.
-1
3
23 13
17 31
7.
(e)
4
(d)
(f)
3
4.
8 -3
-7
-6
11
9.
-2
9.
0 0
3
6.
(a) 80
(d) – 100
(b) 0
(c) 4
(e) - 40
(f) 0
-
2.
2.
2.
2.
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