Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:07Z
4y² + 8y + 1 = 0
\oint_C \vec{F}\cdot d\vec{r} = 0
46K
2H₂ + O₂ → 2H₂O
\binom{n}{k} = \frac{n!}{k!(n-k)!}
289K
∑_{k=1}^{n} k = n(n+1)/2
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
CH₄ + 2O₂ → CO₂ + 2H₂O
358K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
121K
det| 2 9 ; 0 3 | = 6
399K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
11K
det| 5 8 ; 4 6 | = -2
67K
det| 4 8 ; 0 5 | = 20
97K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
276K
det| 1 1 ; 6 2 | = -4
256K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
348K