Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 22:13Z
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 10 6 ; 4 11 | = 86
det| 11 4 ; 5 12 | = 112
90K
ΔS ≥ 0
\frac{8}{6} \sum_{i=1}^{n} i^{2}
394K
\frac{7}{1} \sum_{i=1}^{n} i^{2}
29K
9α² + 3α + 1 = 0
AgNO₃ + NaCl → AgCl↓ + NaNO₃
94K
det| 7 4 ; 4 8 | = 40
211K
det| 3 4 ; 4 4 | = -4
\binom{n}{k} = \frac{n!}{k!(n-k)!}
390K
∑_{k=1}^{n} k = n(n+1)/2
69K