Answer Happy

Use mathematical induction to prove the following identities. (c) [5 points] Suppose that a, a2, as.... is a sequence defined as follows: a₁ = 1,02 = 8, a₁ = a-1 + 2a-2 for all integers i ≥ 3. Prove that an 3-2-1+2-(-1)" for all integers n ≥ 1.