Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-18 16:21Z
det| 4 4 ; 2 5 | = 12
det| 7 4 ; 4 8 | = 40
40K
d/dx [x^9] = 9x^8
\frac{12}{6} \sum_{i=1}^{n} i^{2}
138K
\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
\binom{n}{k} = \frac{n!}{k!(n-k)!}
176K
∑_{k=1}^{n} k = n(n+1)/2
67K
∑_{k=1}^{n} k = n(n+1)/2
CH₄ + 2O₂ → CO₂ + 2H₂O
306K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
322K
ΔS ≥ 0
∇ × E = −∂B/∂t
det| 5 7 ; 5 6 | = -5
\oint_C \vec{F}\cdot d\vec{r} = 0