Chapter7: Matrices And Determinants
Section7.2: Operations With Matrices
Problem 3ECP: For the matrices below, find (a) AB, (b) 3A and (c) 3A2B. A=410438 and B=041317
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Question
![For the matrix shown, find the inverse
of (A)
1
2
A=
2
3
A-1 =
1
3
a
2.
3
A-1 =
2
b](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F25f33800-7cde-43e9-a1c0-602a225164c0%2F49ac6df9-fa9b-4c8f-aad9-462cfe6c34a8%2F8im1n7_processed.jpeg&w=3840&q=75)
Transcribed Image Text:For the matrix shown, find the inverse
of (A)
1
2
A=
2
3
A-1 =
1
3
a
2.
3
A-1 =
2
b
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