Question 3 (a) Given the matrices, P=6) 2.-C; find (0) PQ [4 marks) (1) OP (iii) Write a possible relationship between Pand Q. [4 marks] [4 marks) (b) 0 Find a and bit 444 3.1+ =))-69 [4 marks) (m) A=( 9 and B = 3). find matrices X such that 2A +X=B (c) [4 marks] Given AC 0 Show that A is non-singular. [2 marks] (11) Find B such that BA = A (4 marks) The matrix A - ( is the inverse of B = 6 ) Verify this statement [Hint: You need to show that AB = BA= 11 [6 marks] (d)