3 1 06) Let A= 02 Find || A||, (7 MARKS) (Choose one of the following two questions) Q7) If the eigenvalues of the square matrix A of size 2x2 are 3, 5. Answer the following (7 MARKS) a) Find the eigenvalues of A+3 b) Find the determinant of A. ба а Q8) Let A = 7 4 1 a k are real numbers. Is A invertible?(7 MARKS) kek a