Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 07:10Z
∂y/∂t = 1y
∑_{k=1}^{n} k = n(n+1)/2
66K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\lim_{x\to 0} \frac{\sin x}{x} = 1
2K
ΔS ≥ 0
det| 7 1 ; 7 8 | = 49
61K
det| 6 1 ; 1 7 | = 41
det| 11 9 ; 0 12 | = 132
335K
\lim_{n\to 0} \frac{\sin n}{n} = 1
det| 7 4 ; 4 8 | = 40
119K
\frac{9}{7} \sum_{i=1}^{n} i^{2}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
392K
3α² + 5α + 4 = 0
2H₂ + O₂ → 2H₂O