Your Practice Set – Applications and Interpretation for IBDP Mathematics SE Production Limited 86 4 . Let 16 16 8 8 8 16 16 p q � � � � � � � � � � � � � � A , where p , q� . It is given that 1 1 1 0 16 16 1 1 5 64 16 64 1 1 3 64 16 64 � � � � � � � � � � � � � � � � � � � � � � A . ( a ) Find p and q . [ 3 ] It is also given that 1 1 2 � � � � � � � � � � � � � B and x y z � � � � � � � � � � � X . ( b ) Solve X in the equation � AX B . [ 3 ]