Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 22:17Z
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
Fe₂O₃ + 3CO → 2Fe + 3CO₂
144K
det| 10 6 ; 4 11 | = 86
∑_{k=1}^{n} k = n(n+1)/2
90K
ΔS ≥ 0
∑_{k=1}^{n} k = n(n+1)/2
29K
9α² + 3α + 1 = 0
∑_{k=1}^{n} k = n(n+1)/2
211K
det| 3 4 ; 4 4 | = -4
det| 7 9 ; 1 8 | = 47
69K
\lim_{ψ\to 0} \frac{\sin ψ}{ψ} = 1
det| 7 4 ; 4 8 | = 40
144K