Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 02:41Z
ΔS ≥ 0
\frac{1}{2} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
394K
det| 7 6 ; 1 8 | = 50
29K
9θ² + 4θ + 0 = 0
det| 9 4 ; 1 10 | = 86
94K
det| 6 4 ; 1 7 | = 38
det| 6 6 ; 7 7 | = 0