Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 02:08Z
PV = nRT
det| 7 2 ; 2 8 | = 52
det| 7 7 ; 4 8 | = 28
90K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
91K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
∫₀^∞ e^(-φ²) dφ = √π / 2
100K
∫₀^∞ e^(-θ²) dθ = √π / 2
50K
\oint_C \vec{F}\cdot d\vec{r} = 0
∑_{k=1}^{n} k = n(n+1)/2
197K
e^{i\pi} + 1 = 0
\frac{7}{3} \sum_{i=1}^{n} i^{2}
8θ² + 8θ + 2 = 0
\oint_C \vec{F}\cdot d\vec{r} = 0
∇ × E = −∂B/∂t
F = G m₁m₂ / r²