Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 21:42Z
10t² + 3t + 6 = 0
det| 7 4 ; 4 8 | = 40
222K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
8ψ² + 2ψ + 2 = 0
det| 1 2 ; 4 2 | = -6
174K
det| 7 9 ; 1 8 | = 47
61K
∑_{k=1}^{n} k = n(n+1)/2
380K
∑_{k=1}^{n} k = n(n+1)/2
119K