Question: 8. [5 points ] Define a sequence ao, ai, a2.... by 2a-1 + 1 for n 1, for n = 0. with ao 0. Use

8. [5 points ] Define a sequence ao, ai, a2.... by 2a-1 + 1 for n 1, for n = 0. with ao 0. Use mathematical induction to prove that an = 2" - 1 for all n 20. Base cose nel 2a. + / -20 +1 a = 2-1 = 1

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