MATH. 204. MIDTERM EXAMINATION.October 2019. 1. Solve by Cramer’s Rule only. Each question: 10 marks.
2. Compute the determinant of A.
3. Compute the inverse of A. 𝐴𝐴 =�
5. Determine the values of a and b, such that the given system of equations have: (1) exactly one solution.