Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 01:34Z
∑_{k=1}^{n} k = n(n+1)/2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
479K
3β² + 6β + 2 = 0
\lim_{α\to 0} \frac{\sin α}{α} = 1
276K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
129K
F = ma
det| 9 4 ; 1 10 | = 86
390K
\frac{8}{7} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
153K
1x² + 5x + 7 = 0
det| 5 6 ; 7 6 | = -12
473K
∇²ψ = 0
AgNO₃ + NaCl → AgCl↓ + NaNO₃
3φ² + 8φ + 6 = 0