Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:05Z
4y² + 8y + 1 = 0
\oint_C \vec{F}\cdot d\vec{r} = 0
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∫₀^∞ e^(-x²) dx = √π / 2
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2H₂ + O₂ → 2H₂O
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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\frac{10}{7} \sum_{i=1}^{n} i^{2}
AgNO₃ + NaCl → AgCl↓ + NaNO₃
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iħ ∂ψ/∂t = Ĥψ
det| 11 7 ; 6 12 | = 90
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CaCO₃ → CaO + CO₂
\oint_C \vec{F}\cdot d\vec{r} = 0
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\frac{12}{4} \sum_{i=1}^{n} i^{2}
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det| 9 8 ; 1 10 | = 82
∑_{k=1}^{n} k = n(n+1)/2
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det| 1 5 ; 4 2 | = -18
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\lim_{ψ\to 0} \frac{\sin ψ}{ψ} = 1
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det| 9 8 ; 0 10 | = 90
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