Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 16:40Z
CH₄ + 2O₂ → CO₂ + 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
244K
∑_{k=1}^{n} k = n(n+1)/2
52K
det| 8 6 ; 2 9 | = 60
Fe₂O₃ + 3CO → 2Fe + 3CO₂
90K
∫₀^∞ e^(-n²) dn = √π / 2
91K
d/dx [x^1] = 1x^0
2n² + 7n + 5 = 0
∫₀^∞ e^(-n²) dn = √π / 2
137K
det| 4 8 ; 3 5 | = -4
197K
\oint_C \vec{F}\cdot d\vec{r} = 0
det| 9 9 ; 5 10 | = 45
262K
det| 9 4 ; 1 10 | = 86
196K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
5θ² + 9θ + 3 = 0
∇²ω = 0
d/dy [y^10] = 10y^9