Compute the determinant using a cofactor expansion across the first row. Also compute the determinant by a cofactor expansion down the second column. 20 4 33 2 05 -2
Compute the determinant using a cofactor expansion across the first row. Also compute the determinant by a cofactor expansion down the second column. 20 4 33 2 05 -2
Chapter4: Systems Of Linear Equations
Section: Chapter Questions
Problem 415PT: Solve using Cramer’s rule. 415. Evaluate the determinant by expanding by minors: |322214103|
Question
![Compute the determinant using a cofactor expansion across the first row. Also compute the determinant
by a cofactor expansion down the second column.
20 4
33 2
05 -2](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2432691a-c29a-4a02-b85a-93b716867369%2F7f348606-c4c5-48f1-9e0b-fc28332826e3%2Feecf25_processed.png&w=3840&q=75)
Transcribed Image Text:Compute the determinant using a cofactor expansion across the first row. Also compute the determinant
by a cofactor expansion down the second column.
20 4
33 2
05 -2
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