Question: Find a formula for the sum of the first n terms of the sequence. Prove the validity of your formula. 1, 5, 9, 13, ...

Find a formula for the sum of the first n terms of the sequence. Prove the validity of your formula.
1, 5, 9, 13, ...

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S n 1 5 9 13 4n 3 S 1 1 11 S 2 1 5 6 2 3 S 3 1 5 9 15 3 5 S 4 1 5 9 13 28 4 7 From this s... View full answer

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