Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-20 12:24Z
5θ² + 4θ + 7 = 0
det| 2 7 ; 7 3 | = -43
164K
det| 7 4 ; 4 8 | = 40
232K
∑_{k=1}^{n} k = n(n+1)/2
det| 1 1 ; 5 2 | = -3
47K
10r² + 3r + 3 = 0
ΔS ≥ 0
det| 1 2 ; 7 2 | = -12
336K