Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 00:20Z
∑_{k=1}^{n} k = n(n+1)/2
det| 8 3 ; 0 9 | = 72
320K
\oint_C \vec{F}\cdot d\vec{r} = 0
det| 9 3 ; 3 10 | = 81
90K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
7z² + 2z + 5 = 0
CH₄ + 2O₂ → CO₂ + 2H₂O
211K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 3 2 ; 1 4 | = 10
det| 11 6 ; 2 12 | = 120
352K