Let a1, a2, a3, · · · be the sequence defined as follows:

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 Let a1, a2, a3, · · · be the sequence defined as follows:

a1 = 1
az = 3
For all m > 2, am+1 = 3am – 2am-1
Therefore, the terms of the sequence are 1,3, 7, 15, 31, 63, - ..
Use the Second Principle of Mathematical Induction to prove that, for all
integers n > 1, an = 2" – 1.
Transcribed Image Text:a1 = 1 az = 3 For all m > 2, am+1 = 3am – 2am-1 Therefore, the terms of the sequence are 1,3, 7, 15, 31, 63, - .. Use the Second Principle of Mathematical Induction to prove that, for all integers n > 1, an = 2" – 1.
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