Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-18 19:43Z
\lim_{n\to 0} \frac{\sin n}{n} = 1
det| 2 6 ; 0 3 | = 6
428K
∑_{k=1}^{n} k = n(n+1)/2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
268K
det| 9 1 ; 6 10 | = 84
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
41K
∫₀^∞ e^(-θ²) dθ = √π / 2
∫₀^∞ e^(-y²) dy = √π / 2
95K
det| 7 4 ; 4 8 | = 40
121K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 10 5 ; 4 11 | = 90
7K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
\binom{n}{k} = \frac{n!}{k!(n-k)!}
54K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\frac{2}{6} \sum_{i=1}^{n} i^{2}