Math Problem Statement
次の和 Sn を求めよ。 (1) Sn = 1 1 · 5 + 1 5 · 9 + 1 9 · 13 + · · · + 1 (4n − 3)(4n + 1) (2) Sn = 2 1 · 3 + 2 2 · 4 + 2 3 · 5 + · · · + 2 n(n + 2) (3) Sn = 3 1 2 + 5 1 2 + 22 + 7 1 2 + 22 + 32 + · · · + 2n + 1 1 2 + 22 + 32 + · · · + n
Solution
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Math Problem Analysis
Mathematical Concepts
Partial fractions
Summation notation
Series
Formulas
Summation formula
Partial fractions decomposition
Theorems
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Suitable Grade Level
Undergraduate level
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