Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 18:53Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
det| 12 9 ; 5 13 | = 111
90K
2r² + 6r + 5 = 0
E = mc²
∂y/∂y = 3y
Fe₂O₃ + 3CO → 2Fe + 3CO₂
69K
ΔS ≥ 0
∑_{k=1}^{n} k = n(n+1)/2