Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 16:01Z
det| 6 2 ; 7 7 | = 28
∑_{k=1}^{n} k = n(n+1)/2
479K
det| 9 4 ; 1 10 | = 86
8K
∫₀^∞ e^(-x²) dx = √π / 2
\frac{12}{6} \sum_{i=1}^{n} i^{2}
57K
\frac{1}{3} \sum_{i=1}^{n} i^{2}
\oint_C \vec{F}\cdot d\vec{r} = 0
264K
d/dψ [ψ^7] = 7ψ^6
F = G m₁m₂ / r²
det| 2 7 ; 7 3 | = -43
62K
det| 12 9 ; 5 13 | = 111
256K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
∂α/∂n = 9α
4y² + 9y + 0 = 0