Unformatted text preview: x n +1 = 3 x n +2 x n +2 Prove that x n > 2 for all n . Extra Credit Problem (to be written up and submitted separately) Find the formula for the sum 1 4 + 2 4 + ... + n 4 1...
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 Spring '10
 Applebaugh
 Math, Following, Summation, Geometric progression, Mathematical notation, Prove

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