Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 22:34Z
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
AgNO₃ + NaCl → AgCl↓ + NaNO₃
144K
det| 10 6 ; 4 11 | = 86
det| 9 4 ; 1 10 | = 86
438K
ΔS ≥ 0
∑_{k=1}^{n} k = n(n+1)/2
394K
det| 8 9 ; 4 9 | = 36
29K
9α² + 3α + 1 = 0
∑_{k=1}^{n} k = n(n+1)/2
211K
det| 3 4 ; 4 4 | = -4
∑_{k=1}^{n} k = n(n+1)/2
390K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
69K
\lim_{ψ\to 0} \frac{\sin ψ}{ψ} = 1
\binom{n}{k} = \frac{n!}{k!(n-k)!}
352K