Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 18:57Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
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C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
2r² + 6r + 5 = 0
CH₄ + 2O₂ → CO₂ + 2H₂O
394K
det| 7 4 ; 4 8 | = 40
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∑_{k=1}^{n} k = n(n+1)/2
390K