Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 21:41Z
AgNO₃ + NaCl → AgCl↓ + NaNO₃
\lim_{z\to 0} \frac{\sin z}{z} = 1
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\oint_C \vec{F}\cdot d\vec{r} = 0
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det| 4 7 ; 0 5 | = 20
∑_{k=1}^{n} k = n(n+1)/2
det| 1 1 ; 5 2 | = -3
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
\frac{8}{7} \sum_{i=1}^{n} i^{2}
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