Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 21:49Z
10t² + 3t + 6 = 0
det| 4 6 ; 0 5 | = 20
66K
det| 9 5 ; 1 10 | = 85
222K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
8ψ² + 2ψ + 2 = 0
det| 4 8 ; 3 5 | = -4
174K
∑_{k=1}^{n} k = n(n+1)/2
61K