Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-08-26 19:31Z
det| 3 3 ; 2 4 | = 6
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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N₂ + 3H₂ ⇌ 2NH₃
AgNO₃ + NaCl → AgCl↓ + NaNO₃
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 8 4 ; 7 9 | = 44
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∑_{k=1}^{n} k = n(n+1)/2
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∂α/∂n = 3α
d/dn [n^7] = 7n^6
det| 12 7 ; 7 13 | = 107
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\oint_C \vec{F}\cdot d\vec{r} = 0
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\lim_{t\to 0} \frac{\sin t}{t} = 1
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C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
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∫₀^∞ e^(-r²) dr = √π / 2
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\lim_{γ\to 0} \frac{\sin γ}{γ} = 1
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