Exercise 6.2.17 What are the matrices representing the following systems of equations? a) XN+1 = 2XN + 6YN and YN+1 2XN6YN = 3XN + 8YN b) XN+1 = 1.5X and YN+1 = 6XN + YN c) ZN+1 = 18ZN + 5WN and WN+1 = 7ZN + 2.2WN d) N+1 = 3aN and bN+1 = bN e) an+1 = 2by and bN+1 = 4an