Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 18:54Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\frac{8}{6} \sum_{i=1}^{n} i^{2}
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∑_{k=1}^{n} k = n(n+1)/2
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C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
det| 9 4 ; 1 10 | = 86
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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2r² + 6r + 5 = 0
\oint_C \vec{F}\cdot d\vec{r} = 0
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\frac{12}{6} \sum_{i=1}^{n} i^{2}
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det| 7 7 ; 4 8 | = 28
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