Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 22:08Z
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 10 6 ; 4 11 | = 86
\frac{11}{6} \sum_{i=1}^{n} i^{2}
90K
ΔS ≥ 0
9α² + 3α + 1 = 0
det| 3 4 ; 4 4 | = -4
\binom{n}{k} = \frac{n!}{k!(n-k)!}
390K
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
69K
\lim_{ψ\to 0} \frac{\sin ψ}{ψ} = 1
∑_{k=1}^{n} k = n(n+1)/2
352K