Field Notes / Σ /sym/4250fb
id=347373 · host=uk.mattivster.me · 2026-08-30 18:47Z
∫₀^∞ e^(-x²) dx = √π / 2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
CH₄ + 2O₂ → CO₂ + 2H₂O
428K
5r² + 1r + 2 = 0
\frac{11}{6} \sum_{i=1}^{n} i^{2}
350K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
141K
det| 9 9 ; 7 10 | = 27
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
12n² + 3n + 4 = 0