Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-20 15:18Z
F = G m₁m₂ / r²
\oint_C \vec{F}\cdot d\vec{r} = 0
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4z² + 8z + 7 = 0
∑_{k=1}^{n} k = n(n+1)/2
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Fe₂O₃ + 3CO → 2Fe + 3CO₂
11n² + 2n + 4 = 0
\frac{8}{7} \sum_{i=1}^{n} i^{2}
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\frac{9}{8} \sum_{i=1}^{n} i^{2}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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\frac{4}{4} \sum_{i=1}^{n} i^{2}
\frac{2}{2} \sum_{i=1}^{n} i^{2}
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det| 7 4 ; 4 8 | = 40
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