Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-20 02:02Z
∇²t = 0
7r² + 4r + 0 = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
375K
det| 7 2 ; 7 8 | = 42
47K
∇²β = 0
det| 6 4 ; 4 7 | = 26
165K
\frac{8}{9} \sum_{i=1}^{n} i^{2}
det| 9 9 ; 5 10 | = 45
430K
8r² + 8r + 0 = 0
∑_{k=1}^{n} k = n(n+1)/2
324K