The expansion of a 3x3 determinant can be remembered by this device. Write a second copy of the first two columns to the right of the matrix, and compute the determinant by multiplying entries on six diagonals. Add the downward diagonal products and subtract the upward products. Use this method to compute the following determinant. -5 -4 4-1 0 -3 -1 -5 -4 5 4 -1 0 -3 -1|
The expansion of a 3x3 determinant can be remembered by this device. Write a second copy of the first two columns to the right of the matrix, and compute the determinant by multiplying entries on six diagonals. Add the downward diagonal products and subtract the upward products. Use this method to compute the following determinant. -5 -4 4-1 0 -3 -1 -5 -4 5 4 -1 0 -3 -1|
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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![The expansion of a 3x3 determinant can be remembered by this device. Write a second copy of the first two columns to the right of the matrix, and compute the determinant by multiplying entries on six
diagonals. Add the downward diagonal products and subtract the upward products. Use this method to compute the following determinant.
-5 -4
4 -1
0 -3 -1
-5 -4
O=0 1-
0 - 3 - 1](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2252b7a8-3109-483f-a9d2-dadba438df62%2F6cfda46e-eea0-4cf9-b6bb-1af00aed7070%2Fwv0y9td_processed.jpeg&w=3840&q=75)
Transcribed Image Text:The expansion of a 3x3 determinant can be remembered by this device. Write a second copy of the first two columns to the right of the matrix, and compute the determinant by multiplying entries on six
diagonals. Add the downward diagonal products and subtract the upward products. Use this method to compute the following determinant.
-5 -4
4 -1
0 -3 -1
-5 -4
O=0 1-
0 - 3 - 1
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