Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 19:38Z
ω = 2πf
\lim_{x\to 0} \frac{\sin x}{x} = 1
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3γ² + 9γ + 0 = 0
det| 2 3 ; 5 3 | = -9
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∑_{k=1}^{n} k = n(n+1)/2
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∂β/∂z = 1β
\lim_{t\to 0} \frac{\sin t}{t} = 1
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\oint_C \vec{F}\cdot d\vec{r} = 0
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
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det| 7 4 ; 4 8 | = 40
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det| 10 3 ; 0 11 | = 110
∑_{k=1}^{n} k = n(n+1)/2
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