Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 22:24Z
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 2 7 ; 7 3 | = -43
144K
det| 10 6 ; 4 11 | = 86
∑_{k=1}^{n} k = n(n+1)/2
90K
∑_{k=1}^{n} k = n(n+1)/2
438K
ΔS ≥ 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
29K
9α² + 3α + 1 = 0
\oint_C \vec{F}\cdot d\vec{r} = 0
94K
det| 11 4 ; 5 12 | = 112
211K
det| 3 4 ; 4 4 | = -4
det| 11 2 ; 5 12 | = 122
390K
det| 9 4 ; 1 10 | = 86
69K
\lim_{ψ\to 0} \frac{\sin ψ}{ψ} = 1
\binom{n}{k} = \frac{n!}{k!(n-k)!}
E = mc²
2H₂ + O₂ → 2H₂O