Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 22:22Z
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
320K
det| 10 6 ; 4 11 | = 86
det| 9 4 ; 1 10 | = 86
90K
ΔS ≥ 0
det| 1 2 ; 4 2 | = -6
394K
∫₀^∞ e^(-t²) dt = √π / 2
29K
∑_{k=1}^{n} k = n(n+1)/2
94K
∫₀^∞ e^(-x²) dx = √π / 2
69K