Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:08Z
4y² + 8y + 1 = 0
\oint_C \vec{F}\cdot d\vec{r} = 0
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∑_{k=1}^{n} k = n(n+1)/2
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2H₂ + O₂ → 2H₂O
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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det| 1 5 ; 4 2 | = -18
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\frac{10}{7} \sum_{i=1}^{n} i^{2}
\frac{2}{9} \sum_{i=1}^{n} i^{2}
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\oint_C \vec{F}\cdot d\vec{r} = 0
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iħ ∂ψ/∂t = Ĥψ
det| 4 7 ; 6 5 | = -22
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det| 2 9 ; 0 3 | = 6
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CaCO₃ → CaO + CO₂
\lim_{γ\to 0} \frac{\sin γ}{γ} = 1
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det| 7 7 ; 2 8 | = 42
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det| 7 4 ; 4 8 | = 40
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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