Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-18 16:39Z
det| 4 4 ; 2 5 | = 12
det| 2 7 ; 7 3 | = -43
297K
d/dx [x^9] = 9x^8
\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
∑_{k=1}^{n} k = n(n+1)/2
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
306K
∑_{k=1}^{n} k = n(n+1)/2
322K
ΔS ≥ 0
det| 5 7 ; 5 6 | = -5
det| 7 4 ; 4 8 | = 40
247K
\oint_C \vec{F}\cdot d\vec{r} = 0