Get solution: In Exercises 1318, use the fact that if A = ca bc d d , thenA-1 = 1ad - bc
Chapter 6, Problem 18(choose chapter or problem)
In Exercises 1318, use the fact that if A = ca bc d d , thenA-1 = 1ad - bc c d -b-c ad to find the inverse of each matrix, ifpossible. Check that AA-1 = I2 and A-1A = I2.A = c 6 -3-2 1d
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