Sum of an infinite series of (a quadratic in n) over a factorial, in terms of e
The same question, asked 2 times: 2021 Paper 26*, 1 Feb 2023. Every wording below, oldest first.
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Question 1
2021 Paper 26
62The sum of the series ∑n=1∞(2n+1)!n2+6n+10 is equal to:
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Question 2
1 Feb 2023
152The sum ∑n=1∞(2n)!2n2+3n+4 is equal to:
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