Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 18:48Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
det| 5 6 ; 2 6 | = 18
90K
2r² + 6r + 5 = 0
E = mc²
det| 7 4 ; 4 8 | = 40
94K
∂y/∂y = 3y
det| 11 4 ; 5 12 | = 112
390K
∑_{k=1}^{n} k = n(n+1)/2
69K