Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-18 22:52Z
∑_{k=1}^{n} k = n(n+1)/2
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
384K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
385K
det| 11 9 ; 4 12 | = 96
∑_{k=1}^{n} k = n(n+1)/2
163K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
259K
∇ × E = −∂B/∂t
det| 9 4 ; 1 10 | = 86
305K
det| 10 7 ; 3 11 | = 89
57K
5z² + 5z + 0 = 0
\oint_C \vec{F}\cdot d\vec{r} = 0
293K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
110K
det| 6 6 ; 3 7 | = 24
\oint_C \vec{F}\cdot d\vec{r} = 0
2H₂ + O₂ → 2H₂O