Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 22:22Z
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
\oint_C \vec{F}\cdot d\vec{r} = 0
320K
det| 7 8 ; 6 8 | = 8
144K
det| 10 6 ; 4 11 | = 86
det| 9 3 ; 3 10 | = 81
90K
ΔS ≥ 0
det| 9 4 ; 1 10 | = 86
394K
9α² + 3α + 1 = 0
det| 8 9 ; 4 9 | = 36
94K
det| 3 4 ; 4 4 | = -4
∑_{k=1}^{n} k = n(n+1)/2
390K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
69K
\lim_{ψ\to 0} \frac{\sin ψ}{ψ} = 1