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+ -/1 points LarlinAlg8 3.R059 Find the adjoint of the matrix 0 5 -6 5 12. 0/1 points | Previous Answers LarLinAlg8 3.R.041 Use the determinant of the coefficient matrix to determine whether the system of linear equations has a unique solutio x1 + 2x2 + 6x3 = 7x1 5x2 + 15x3 - 4 5x1 + x2 + 3x3=-8 The system has a unique solution because the determinant of the coefficient matrix is nonzero. The system has a unique solution because the determinant of the coefficient matrix is zero. The system does not have a unique solution because the determinant of the coefficient matrix is nonzero The system does not have a unique solution because the determinant of the coefficient matrix is zero