Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-23 18:05Z
d/dβ [β^9] = 9β^8
det| 2 3 ; 5 3 | = -9
det| 1 2 ; 7 2 | = -12
300K
∑_{k=1}^{n} k = n(n+1)/2
384K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 11 5 ; 0 12 | = 132
179K
\frac{12}{7} \sum_{i=1}^{n} i^{2}
380K
e^{i\pi} + 1 = 0
det| 9 4 ; 1 10 | = 86
293K
∫₀^∞ e^(-α²) dα = √π / 2
334K
\oint_C \vec{F}\cdot d\vec{r} = 0
det| 9 1 ; 6 10 | = 84
det| 3 9 ; 1 4 | = 3
\binom{n}{k} = \frac{n!}{k!(n-k)!}