Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 22:59Z
F = G m₁m₂ / r²
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\lim_{x\to 0} \frac{\sin x}{x} = 1
91K
2H₂ + O₂ → 2H₂O
det| 9 9 ; 5 10 | = 45
100K
det| 8 4 ; 0 9 | = 72
\binom{n}{k} = \frac{n!}{k!(n-k)!}
197K
det| 3 1 ; 4 4 | = 8
\oint_C \vec{F}\cdot d\vec{r} = 0
262K
∑_{k=1}^{n} k = n(n+1)/2
196K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
218K