Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-20 05:39Z
∂r/∂ψ = 3r
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\oint_C \vec{F}\cdot d\vec{r} = 0
322K
∑_{k=1}^{n} k = n(n+1)/2
235K
∂ψ/∂φ = 4ψ
det| 10 3 ; 5 11 | = 95
\frac{1}{8} \sum_{i=1}^{n} i^{2}
AgNO₃ + NaCl → AgCl↓ + NaNO₃
442K
3α² + 7α + 5 = 0
F = G m₁m₂ / r²
N₂ + 3H₂ ⇌ 2NH₃
3n² + 7n + 7 = 0