Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 22:13Z
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
144K
det| 10 6 ; 4 11 | = 86
det| 9 5 ; 1 10 | = 85
90K
ΔS ≥ 0
\frac{8}{7} \sum_{i=1}^{n} i^{2}
29K
9α² + 3α + 1 = 0
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
94K
det| 3 4 ; 4 4 | = -4
\frac{11}{6} \sum_{i=1}^{n} i^{2}
390K
\lim_{ψ\to 0} \frac{\sin ψ}{ψ} = 1
\binom{n}{k} = \frac{n!}{k!(n-k)!}