Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 22:21Z
F = G m₁m₂ / r²
\binom{n}{k} = \frac{n!}{k!(n-k)!}
2H₂ + O₂ → 2H₂O
det| 8 4 ; 0 9 | = 72
\frac{2}{2} \sum_{i=1}^{n} i^{2}
197K
det| 3 1 ; 4 4 | = 8
\oint_C \vec{F}\cdot d\vec{r} = 0
262K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
196K
6z² + 6z + 7 = 0
\frac{8}{6} \sum_{i=1}^{n} i^{2}
218K