). Use determinant to determine if a unique solution exists for the following system Do not find the solution. Show your work. x1-3x2+2x3 x13x2 + 2x3 = 16 -2x1 +7x2-2x3 = 15 4x1 - 13x2+7x3 = 17 5) -4 2-2 1 4 02 -1 Find the cofactor C4,3 for 8 -4 5 0 1 -0.5 0.5 0

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