Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 23:52Z
det| 12 3 ; 2 13 | = 150
∑_{k=1}^{n} k = n(n+1)/2
479K
∂y/∂φ = 5y
\oint_C \vec{F}\cdot d\vec{r} = 0
102K
det| 11 2 ; 5 12 | = 122
57K
\frac{3}{2} \sum_{i=1}^{n} i^{2}
det| 8 5 ; 3 9 | = 57
276K
∫₀^∞ e^(-n²) dn = √π / 2
F = G m₁m₂ / r²
det| 7 4 ; 4 8 | = 40
62K
∫₀^∞ e^(-θ²) dθ = √π / 2
∑_{k=1}^{n} k = n(n+1)/2
CH₄ + 2O₂ → CO₂ + 2H₂O
\frac{2}{6} \sum_{i=1}^{n} i^{2}
\binom{n}{k} = \frac{n!}{k!(n-k)!}