Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 22:25Z
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 12 9 ; 5 13 | = 111
144K
det| 10 6 ; 4 11 | = 86
det| 12 1 ; 4 13 | = 152
90K
∑_{k=1}^{n} k = n(n+1)/2
438K
ΔS ≥ 0
∑_{k=1}^{n} k = n(n+1)/2
394K
9α² + 3α + 1 = 0
∫₀^∞ e^(-t²) dt = √π / 2
211K