Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:04Z
4y² + 8y + 1 = 0
\lim_{γ\to 0} \frac{\sin γ}{γ} = 1
468K
2H₂ + O₂ → 2H₂O
det| 2 6 ; 1 3 | = 0
289K
\oint_C \vec{F}\cdot d\vec{r} = 0
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
d/dr [r^12] = 12r^11
339K
∑_{k=1}^{n} k = n(n+1)/2
177K
det| 5 4 ; 5 6 | = 10
358K
det| 11 1 ; 0 12 | = 132
399K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
316K
CH₄ + 2O₂ → CO₂ + 2H₂O
11K
det| 11 8 ; 6 12 | = 84
387K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
67K
\frac{5}{4} \sum_{i=1}^{n} i^{2}
338K
∑_{k=1}^{n} k = n(n+1)/2
276K