1 and for n > 1, 6. Let n be a positive integer, and consider the recursive sequence ao = 1, a-I = = an _ 1. Let bn for all n 2 0. Express bn in terms of bn_l for n 2 1. As well, an show 1 bn S 2 for all n 0. 7. Suppose the sequence in Question 6 converges to L. Find the value of L.