Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-20 12:24Z
5θ² + 4θ + 7 = 0
det| 9 5 ; 1 10 | = 85
164K
det| 12 3 ; 4 13 | = 144
232K
∑_{k=1}^{n} k = n(n+1)/2
10r² + 3r + 3 = 0
ΔS ≥ 0
det| 9 4 ; 1 10 | = 86
430K
∑_{k=1}^{n} k = n(n+1)/2
455K