Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 23:29Z
det| 12 3 ; 2 13 | = 150
∫₀^∞ e^(-t²) dt = √π / 2
479K
∂y/∂φ = 5y
∑_{k=1}^{n} k = n(n+1)/2
57K
\frac{3}{2} \sum_{i=1}^{n} i^{2}
det| 8 2 ; 7 9 | = 58
276K
∫₀^∞ e^(-n²) dn = √π / 2
F = G m₁m₂ / r²
det| 7 4 ; 4 8 | = 40
256K
∑_{k=1}^{n} k = n(n+1)/2
\oint_C \vec{F}\cdot d\vec{r} = 0
46K
det| 7 2 ; 3 8 | = 50
164K
\frac{2}{6} \sum_{i=1}^{n} i^{2}
\binom{n}{k} = \frac{n!}{k!(n-k)!}