Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-18 19:21Z
\lim_{n\to 0} \frac{\sin n}{n} = 1
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
270K
det| 7 4 ; 4 8 | = 40
268K
det| 9 1 ; 6 10 | = 84
det| 10 5 ; 4 11 | = 90
41K
∫₀^∞ e^(-θ²) dθ = √π / 2
det| 7 7 ; 4 8 | = 28
121K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
AgNO₃ + NaCl → AgCl↓ + NaNO₃
\binom{n}{k} = \frac{n!}{k!(n-k)!}
21K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\frac{2}{6} \sum_{i=1}^{n} i^{2}