Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 18:48Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
320K
det| 9 4 ; 1 10 | = 86
144K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
2r² + 6r + 5 = 0
det| 5 6 ; 2 6 | = 18
29K
E = mc²
∑_{k=1}^{n} k = n(n+1)/2
94K
∂y/∂y = 3y
ΔS ≥ 0