Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 22:17Z
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 10 6 ; 4 11 | = 86
det| 7 8 ; 4 8 | = 24
90K
ΔS ≥ 0
det| 9 5 ; 6 10 | = 60
29K
9α² + 3α + 1 = 0
det| 3 4 ; 4 4 | = -4
∑_{k=1}^{n} k = n(n+1)/2
69K