Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 16:53Z
det| 6 2 ; 7 7 | = 28
∫₀^∞ e^(-x²) dx = √π / 2
det| 1 2 ; 7 2 | = -12
102K
∑_{k=1}^{n} k = n(n+1)/2
57K
\frac{1}{3} \sum_{i=1}^{n} i^{2}
\frac{12}{7} \sum_{i=1}^{n} i^{2}
276K
d/dψ [ψ^7] = 7ψ^6
det| 9 4 ; 1 10 | = 86
257K
\oint_C \vec{F}\cdot d\vec{r} = 0
250K
F = G m₁m₂ / r²
∫₀^∞ e^(-θ²) dθ = √π / 2
AgNO₃ + NaCl → AgCl↓ + NaNO₃
∂α/∂n = 9α