Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 16:20Z
det| 6 2 ; 7 7 | = 28
det| 4 6 ; 4 5 | = -4
479K
∫₀^∞ e^(-x²) dx = √π / 2
∫₀^∞ e^(-n²) dn = √π / 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| 11 2 ; 5 12 | = 122
62K
det| 9 4 ; 1 10 | = 86
256K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 5 6 ; 1 6 | = 24
46K
∂α/∂n = 9α
4y² + 9y + 0 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}