Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 18:27Z
det| 11 8 ; 0 12 | = 132
\binom{n}{k} = \frac{n!}{k!(n-k)!}
244K
\lim_{t\to 0} \frac{\sin t}{t} = 1
52K
N₂ + 3H₂ ⇌ 2NH₃
∑_{k=1}^{n} k = n(n+1)/2
90K
\oint_C \vec{F}\cdot d\vec{r} = 0
91K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 2 6 ; 0 3 | = 6
100K
\frac{12}{7} \sum_{i=1}^{n} i^{2}
50K
det| 1 2 ; 7 2 | = -12
137K
det| 9 4 ; 1 10 | = 86
218K