Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 22:12Z
F = G m₁m₂ / r²
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\oint_C \vec{F}\cdot d\vec{r} = 0
91K
2H₂ + O₂ → 2H₂O
\oint_C \vec{F}\cdot d\vec{r} = 0
100K
det| 8 4 ; 0 9 | = 72
det| 1 4 ; 2 2 | = -6
197K
det| 3 1 ; 4 4 | = 8
\frac{12}{7} \sum_{i=1}^{n} i^{2}
262K
∑_{k=1}^{n} k = n(n+1)/2
196K
det| 2 7 ; 7 3 | = -43
218K
\frac{2}{2} \sum_{i=1}^{n} i^{2}
299K