Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 22:47Z
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 10 6 ; 4 11 | = 86
\frac{4}{6} \sum_{i=1}^{n} i^{2}
90K
det| 1 2 ; 4 2 | = -6
438K
ΔS ≥ 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
29K
9α² + 3α + 1 = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
94K
det| 3 4 ; 4 4 | = -4
det| 9 9 ; 5 10 | = 45
69K
\lim_{ψ\to 0} \frac{\sin ψ}{ψ} = 1
∑_{k=1}^{n} k = n(n+1)/2
144K
det| 2 7 ; 7 3 | = -43
352K