Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-20 05:29Z
∂r/∂ψ = 3r
det| 7 4 ; 4 8 | = 40
193K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 5 3 ; 2 6 | = 24
322K
\oint_C \vec{F}\cdot d\vec{r} = 0
235K
∂ψ/∂φ = 4ψ
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
212K
det| 10 3 ; 5 11 | = 95
\frac{1}{8} \sum_{i=1}^{n} i^{2}
\oint_C \vec{F}\cdot d\vec{r} = 0
442K
det| 2 2 ; 4 3 | = -2
41K
∑_{k=1}^{n} k = n(n+1)/2
369K