Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-20 02:15Z
∇²t = 0
7r² + 4r + 0 = 0
det| 7 4 ; 4 8 | = 40
375K
∑_{k=1}^{n} k = n(n+1)/2
47K
∇²β = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
165K
\frac{8}{9} \sum_{i=1}^{n} i^{2}
det| 7 8 ; 6 8 | = 8
130K
8r² + 8r + 0 = 0
∑_{k=1}^{n} k = n(n+1)/2
455K