Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 07:50Z
∂y/∂t = 1y
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 5 9 ; 0 6 | = 30
87K
det| 11 9 ; 0 12 | = 132
2K
ΔS ≥ 0
∑_{k=1}^{n} k = n(n+1)/2
174K
∑_{k=1}^{n} k = n(n+1)/2
61K
det| 6 1 ; 1 7 | = 41
\oint_C \vec{F}\cdot d\vec{r} = 0
380K
\frac{6}{3} \sum_{i=1}^{n} i^{2}
335K
\lim_{n\to 0} \frac{\sin n}{n} = 1
\frac{9}{7} \sum_{i=1}^{n} i^{2}
det| 9 4 ; 1 10 | = 86
392K