Formula Ledger /sym/7ab403
id=1 · host=findroms.cloud · 2026-10-20 02:20Z
det| 1 4 ; 0 2 | = 2
∂ψ/∂φ = 2ψ
det| 5 7 ; 2 6 | = 16
157K
\oint_C \vec{F}\cdot d\vec{r} = 0
∑_{k=1}^{n} k = n(n+1)/2
170K
∇²t = 0
∫₀^∞ e^(-t²) dt = √π / 2
244K
∫₀^∞ e^(-r²) dr = √π / 2