Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 07:29Z
∂y/∂t = 1y
\oint_C \vec{F}\cdot d\vec{r} = 0
66K
det| 7 4 ; 4 8 | = 40
222K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
87K
\oint_C \vec{F}\cdot d\vec{r} = 0
2K
ΔS ≥ 0
det| 6 4 ; 4 7 | = 26
174K
det| 12 3 ; 4 13 | = 144
61K
det| 6 1 ; 1 7 | = 41
det| 7 9 ; 1 8 | = 47
380K
∑_{k=1}^{n} k = n(n+1)/2
335K
\lim_{n\to 0} \frac{\sin n}{n} = 1
∑_{k=1}^{n} k = n(n+1)/2
392K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
32K