Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-20 12:48Z
5θ² + 4θ + 7 = 0
∑_{k=1}^{n} k = n(n+1)/2
232K
∑_{k=1}^{n} k = n(n+1)/2
10r² + 3r + 3 = 0
det| 10 2 ; 3 11 | = 104
372K
ΔS ≥ 0
det| 7 4 ; 4 8 | = 40
430K
det| 4 8 ; 3 5 | = -4
130K