Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 07:14Z
∂y/∂t = 1y
det| 12 9 ; 5 13 | = 111
66K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
ΔS ≥ 0
∑_{k=1}^{n} k = n(n+1)/2
61K
det| 6 1 ; 1 7 | = 41
det| 7 4 ; 4 8 | = 40
335K
\lim_{n\to 0} \frac{\sin n}{n} = 1
\frac{9}{7} \sum_{i=1}^{n} i^{2}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
392K
2H₂ + O₂ → 2H₂O
F = G m₁m₂ / r²