Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 17:05Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\oint_C \vec{F}\cdot d\vec{r} = 0
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iħ ∂ψ/∂t = Ĥψ
\lim_{t\to 0} \frac{\sin t}{t} = 1
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∑_{k=1}^{n} k = n(n+1)/2
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3r² + 6r + 7 = 0
\frac{8}{6} \sum_{i=1}^{n} i^{2}
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\frac{4}{6} \sum_{i=1}^{n} i^{2}
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∫₀^∞ e^(-θ²) dθ = √π / 2
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det| 7 4 ; 4 8 | = 40
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CH₄ + 2O₂ → CO₂ + 2H₂O
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