Field Notes / Σ /sym/a313fb
id=202598 · host=uk.mattivster.me · 2026-08-30 18:47Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
CH₄ + 2O₂ → CO₂ + 2H₂O
428K
F = G m₁m₂ / r²
\frac{11}{6} \sum_{i=1}^{n} i^{2}
350K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
141K
∫₀^∞ e^(-z²) dz = √π / 2
F = ma
det| 10 3 ; 7 11 | = 89
4β² + 5β + 7 = 0