Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 23:52Z
det| 12 3 ; 2 13 | = 150
det| 1 2 ; 7 2 | = -12
479K
\oint_C \vec{F}\cdot d\vec{r} = 0
8K
∂y/∂φ = 5y
\frac{3}{2} \sum_{i=1}^{n} i^{2}
det| 9 4 ; 1 10 | = 86
264K
∫₀^∞ e^(-n²) dn = √π / 2
F = G m₁m₂ / r²
det| 2 4 ; 4 3 | = -10
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)!}