Find |A-11. Begin by finding A-1, and then evaluate its determinant. Verify your result by finding |A| and then applying the formula |A-1| = A = |A=1| =
Find |A-11. Begin by finding A-1, and then evaluate its determinant. Verify your result by finding |A| and then applying the formula |A-1| = A = |A=1| =
Chapter4: Systems Of Linear Equations
Section4.6: Solve Systems Of Equations Using Determinants
Problem 4.96TI: Evaluate the determinant |213122440| by expanding by minors.
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![1
Find |A-11. Begin by finding A-1, and then evaluate its determinant. Verify your result by finding |A| and then applying the formula |A-1| :
|A|
1 2
A =
7 4
|A-1| =](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6a70e2d2-d641-435a-b212-d4266cff05fc%2F256989f7-faf7-40f0-b033-845deee93e68%2Fak9a7sg_processed.png&w=3840&q=75)
Transcribed Image Text:1
Find |A-11. Begin by finding A-1, and then evaluate its determinant. Verify your result by finding |A| and then applying the formula |A-1| :
|A|
1 2
A =
7 4
|A-1| =
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