Question: 1. Given that -1 -1 4 4 1 2 -3 -5 = -5 -2 4 CT 3 0 3 3 and given that det(A )

< Linear Algebra > 1. Given that -1 -1 4 4 1 2 -3

Given that -1 -1 4 4 1 2 -3 -5 = -5 -2 4 CT 3 0 3 3 and given that det(A ) = 12, find the following (without finding A): (a) Find det(A). (b) Find adj(A), the adjoint of A. (c) Find the cofactor matrix of A.Consider 3. linear system whose augmented matrix is 1 1 5 2 l 2 4 2 6 15 k 11 For what value of I: will the system have no solutions

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