4. Variation on 8.2#31 Solve these recurrence relations together with the initial conditions given. (a) a,-3an-1 for n 1, ao 4 110 points (b) a,-an-1 for n 1, a0 = 4 [10 points (c) an = 44-1-54-2 for n 2, ao = 1, a,-0 [10 points] (d) an-3an-2 for n 2, ao = 0, al-3 |10 points Replace this text with you r answer. Replace this text with your answer. Replace this text with your