Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 19:07Z
ω = 2πf
det| 9 4 ; 1 10 | = 86
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\oint_C \vec{F}\cdot d\vec{r} = 0
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3γ² + 9γ + 0 = 0
\frac{2}{2} \sum_{i=1}^{n} i^{2}
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∂β/∂z = 1β
∑_{k=1}^{n} k = n(n+1)/2
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
\lim_{β\to 0} \frac{\sin β}{β} = 1
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H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
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