Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-18 16:39Z
det| 4 4 ; 2 5 | = 12
d/dx [x^9] = 9x^8
\oint_C \vec{F}\cdot d\vec{r} = 0
138K
\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
det| 7 4 ; 4 8 | = 40
176K
∑_{k=1}^{n} k = n(n+1)/2
det| 8 5 ; 3 9 | = 57
322K
ΔS ≥ 0
AgNO₃ + NaCl → AgCl↓ + NaNO₃
374K
det| 5 7 ; 5 6 | = -5
\binom{n}{k} = \frac{n!}{k!(n-k)!}
247K
\oint_C \vec{F}\cdot d\vec{r} = 0