Find the determinant of the second matrix. Expand along Row 3. 7 1 67 5 = 06-6 (-1)3 + 1M 31 + Write the minors corresponding to each entry in Row 3. (-1)3 2M M32 + (-1)3 + 3M- 33 87 1 67 5 06-6 7 8 8 = 0 6 +(-6) 5 5 7 a1 Recall that az b₂ 8 7 1 67 5 06-6 =a1b2a2b₁. Use this to find the determinants of the matrices that are each of order 2 × 2. = = 0(35 - ( [ ])) - 6(40 - ( )) + (-6) (56 - ()) ☐ ] =
Find the determinant of the second matrix. Expand along Row 3. 7 1 67 5 = 06-6 (-1)3 + 1M 31 + Write the minors corresponding to each entry in Row 3. (-1)3 2M M32 + (-1)3 + 3M- 33 87 1 67 5 06-6 7 8 8 = 0 6 +(-6) 5 5 7 a1 Recall that az b₂ 8 7 1 67 5 06-6 =a1b2a2b₁. Use this to find the determinants of the matrices that are each of order 2 × 2. = = 0(35 - ( [ ])) - 6(40 - ( )) + (-6) (56 - ()) ☐ ] =
Elementary Linear Algebra (MindTap Course List)
8th Edition
ISBN:9781305658004
Author:Ron Larson
Publisher:Ron Larson
Chapter3: Determinants
Section3.1: The Determinants Of A Matrix
Problem 70E: The determinant of a 22 matrix involves two products. The determinant of a 33 matrix involves six...
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![Find the determinant of the second matrix.
Expand along Row 3.
7 1
67 5 =
06-6
(-1)3 +
1M 31
+
Write the minors corresponding to each entry in Row 3.
(-1)3
2M
M32
+
(-1)3 + 3M-
33
87 1
67 5
06-6
7
8
8
= 0
6
+(-6)
5
5
7
a1
Recall that
az b₂
8 7 1
67
5
06-6
=a1b2a2b₁. Use this to find the determinants of the matrices that are each of order 2 × 2.
=
= 0(35 - ( [
])) - 6(40 - ( )) + (-6) (56 - ())
☐
]
=](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4f9a3492-d73e-4230-a248-e8005ce0e839%2Fb02b5a28-d872-48c6-8dcf-6c6cf596b7c2%2Figb4onr_processed.png&w=3840&q=75)
Transcribed Image Text:Find the determinant of the second matrix.
Expand along Row 3.
7 1
67 5 =
06-6
(-1)3 +
1M 31
+
Write the minors corresponding to each entry in Row 3.
(-1)3
2M
M32
+
(-1)3 + 3M-
33
87 1
67 5
06-6
7
8
8
= 0
6
+(-6)
5
5
7
a1
Recall that
az b₂
8 7 1
67
5
06-6
=a1b2a2b₁. Use this to find the determinants of the matrices that are each of order 2 × 2.
=
= 0(35 - ( [
])) - 6(40 - ( )) + (-6) (56 - ())
☐
]
=
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