Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 20:27Z
det| 1 9 ; 3 2 | = -25
\binom{n}{k} = \frac{n!}{k!(n-k)!}
479K
\lim_{t\to 0} \frac{\sin t}{t} = 1
8K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
det| 11 4 ; 0 12 | = 132
AgNO₃ + NaCl → AgCl↓ + NaNO₃
264K
∑_{k=1}^{n} k = n(n+1)/2
276K
∫₀^∞ e^(-r²) dr = √π / 2
\oint_C \vec{F}\cdot d\vec{r} = 0
257K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
∑_{k=1}^{n} k = n(n+1)/2
62K
det| 7 4 ; 4 8 | = 40
256K
∂y/∂r = 4y
det| 7 2 ; 3 8 | = 50
164K
12t² + 7t + 0 = 0
12β² + 9β + 7 = 0