Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 18:23Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\frac{2}{2} \sum_{i=1}^{n} i^{2}
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∑_{k=1}^{n} k = n(n+1)/2
144K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
det| 7 4 ; 4 8 | = 40
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2r² + 6r + 5 = 0
\lim_{t\to 0} \frac{\sin t}{t} = 1
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\frac{8}{7} \sum_{i=1}^{n} i^{2}
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det| 11 4 ; 5 12 | = 112
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\oint_C \vec{F}\cdot d\vec{r} = 0
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