Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-20 15:19Z
F = G m₁m₂ / r²
4z² + 8z + 7 = 0
det| 9 4 ; 1 10 | = 86
375K
det| 12 1 ; 4 13 | = 152
47K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
∑_{k=1}^{n} k = n(n+1)/2
372K
11n² + 2n + 4 = 0
det| 4 6 ; 4 5 | = -4
130K