Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 18:21Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\frac{7}{1} \sum_{i=1}^{n} i^{2}
320K
\frac{8}{6} \sum_{i=1}^{n} i^{2}
144K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
\binom{n}{k} = \frac{n!}{k!(n-k)!}
438K
2r² + 6r + 5 = 0
E = mc²
\binom{n}{k} = \frac{n!}{k!(n-k)!}
211K
∂y/∂y = 3y
ΔS ≥ 0
det| 4 5 ; 4 5 | = 0