Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-20 15:50Z
2n² + 2n + 2 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
445K
\oint_C \vec{F}\cdot d\vec{r} = 0
193K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
\binom{n}{k} = \frac{n!}{k!(n-k)!}
322K
6ψ² + 3ψ + 4 = 0
E = mc²
∑_{k=1}^{n} k = n(n+1)/2
179K
det| 9 4 ; 1 10 | = 86
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det| 11 9 ; 5 12 | = 87
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\frac{2}{2} \sum_{i=1}^{n} i^{2}
369K