Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 03:28Z
\frac{1}{1} \sum_{i=1}^{n} i^{2}
det| 7 4 ; 4 8 | = 40
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
det| 9 8 ; 3 10 | = 66
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\frac{6}{9} \sum_{i=1}^{n} i^{2}
det| 2 8 ; 7 3 | = -50
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∑_{k=1}^{n} k = n(n+1)/2
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det| 4 2 ; 6 5 | = 8
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\lim_{r\to 0} \frac{\sin r}{r} = 1
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