Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 22:10Z
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 9 4 ; 1 10 | = 86
144K
det| 10 6 ; 4 11 | = 86
∫₀^∞ e^(-φ²) dφ = √π / 2
90K
ΔS ≥ 0
∑_{k=1}^{n} k = n(n+1)/2
394K
det| 4 8 ; 3 5 | = -4
29K
9α² + 3α + 1 = 0
det| 3 4 ; 4 4 | = -4
9x² + 1x + 0 = 0
\lim_{ψ\to 0} \frac{\sin ψ}{ψ} = 1