Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:12Z
4y² + 8y + 1 = 0
2H₂ + O₂ → 2H₂O
\oint_C \vec{F}\cdot d\vec{r} = 0
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d/dt [t^12] = 12t^11
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\frac{10}{7} \sum_{i=1}^{n} i^{2}
\lim_{z\to 0} \frac{\sin z}{z} = 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)!}
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\frac{11}{4} \sum_{i=1}^{n} i^{2}
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AgNO₃ + NaCl → AgCl↓ + NaNO₃
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C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
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det| 6 4 ; 0 7 | = 42
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∑_{k=1}^{n} k = n(n+1)/2
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