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Unformatted text preview: A is invertible. Then ﬁnd A-1 . (d) Solve the system using A-1 . Then verify that your solution is the right one by plugging the values into the system of equations. Answer : (c) A-1 = -40 16 9 13-5-3 5-2-1 • Why is the matrix 1 6 4 2 4-1-1 2 5 not invertible? 1...
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This note was uploaded on 02/23/2010 for the course MAT MAT1332 taught by Professor Arianemasuda during the Fall '09 term at University of Ottawa.
- Fall '09