Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-19 00:18Z
∇ × E = −∂B/∂t
det| 5 8 ; 4 6 | = -2
36K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
269K
det| 11 2 ; 1 12 | = 130
d/dn [n^12] = 12n^11
158K
∑_{k=1}^{n} k = n(n+1)/2
\frac{9}{6} \sum_{i=1}^{n} i^{2}
240K
\oint_C \vec{F}\cdot d\vec{r} = 0
376K
det| 1 1 ; 1 2 | = 1
\lim_{ψ\to 0} \frac{\sin ψ}{ψ} = 1
139K
10ψ² + 2ψ + 3 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
201K
N₂ + 3H₂ ⇌ 2NH₃
4t² + 3t + 3 = 0
\frac{6}{1} \sum_{i=1}^{n} i^{2}
443K
det| 5 6 ; 1 6 | = 24
333K
∑_{k=1}^{n} k = n(n+1)/2
137K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
333K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
379K