Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 18:50Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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\lim_{γ\to 0} \frac{\sin γ}{γ} = 1
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C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
\lim_{r\to 0} \frac{\sin r}{r} = 1
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\frac{11}{6} \sum_{i=1}^{n} i^{2}
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2r² + 6r + 5 = 0
∑_{k=1}^{n} k = n(n+1)/2
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det| 9 5 ; 1 10 | = 85
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