Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 18:23Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
d/dz [z^11] = 11z^10
320K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
Fe₂O₃ + 3CO → 2Fe + 3CO₂
90K
det| 9 4 ; 1 10 | = 86
438K
2r² + 6r + 5 = 0
∑_{k=1}^{n} k = n(n+1)/2
394K
E = mc²
det| 11 9 ; 0 12 | = 132
94K
∂y/∂y = 3y