Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 02:18Z
\lim_{r\to 0} \frac{\sin r}{r} = 1
∑_{k=1}^{n} k = n(n+1)/2
479K
∑_{k=1}^{n} k = n(n+1)/2
8K
E = mc²
∫₀^∞ e^(-n²) dn = √π / 2
102K
∑_{k=1}^{n} k = n(n+1)/2
57K
\oint_C \vec{F}\cdot d\vec{r} = 0
det| 9 4 ; 1 10 | = 86
276K
∇ × E = −∂B/∂t
det| 2 4 ; 4 3 | = -10
257K
λ = h/p
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
46K
∑_{k=1}^{n} k = n(n+1)/2
164K
\lim_{α\to 0} \frac{\sin α}{α} = 1
\lim_{x\to 0} \frac{\sin x}{x} = 1