Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 07:50Z
∂y/∂t = 1y
det| 2 4 ; 4 3 | = -10
66K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 9 3 ; 3 10 | = 81
87K
det| 12 1 ; 5 13 | = 151
2K
ΔS ≥ 0
det| 7 4 ; 4 8 | = 40
61K
det| 6 1 ; 1 7 | = 41
\oint_C \vec{F}\cdot d\vec{r} = 0
380K
\lim_{n\to 0} \frac{\sin n}{n} = 1
∑_{k=1}^{n} k = n(n+1)/2
119K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
472K
\frac{9}{7} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
392K