Formula Ledger /sym/7ab403
id=1 · host=findroms.cloud · 2026-10-20 02:17Z
det| 1 4 ; 0 2 | = 2
∑_{k=1}^{n} k = n(n+1)/2
218K
det| 7 4 ; 4 8 | = 40
190K
∂ψ/∂φ = 2ψ
det| 8 2 ; 7 9 | = 58
157K
\oint_C \vec{F}\cdot d\vec{r} = 0
∫₀^∞ e^(-θ²) dθ = √π / 2
299K
∇²t = 0
∫₀^∞ e^(-r²) dr = √π / 2
∂r/∂n = 3r