Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 22:07Z
F = G m₁m₂ / r²
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\lim_{t\to 0} \frac{\sin t}{t} = 1
90K
2H₂ + O₂ → 2H₂O
Fe₂O₃ + 3CO → 2Fe + 3CO₂
50K
det| 8 4 ; 0 9 | = 72
det| 11 9 ; 5 12 | = 87
137K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
197K
det| 3 1 ; 4 4 | = 8
\binom{n}{k} = \frac{n!}{k!(n-k)!}
196K
6z² + 6z + 7 = 0
∑_{k=1}^{n} k = n(n+1)/2
218K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
299K