Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 01:26Z
∑_{k=1}^{n} k = n(n+1)/2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
479K
3β² + 6β + 2 = 0
∑_{k=1}^{n} k = n(n+1)/2
276K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
129K
F = ma
\frac{8}{7} \sum_{i=1}^{n} i^{2}
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
1K
1x² + 5x + 7 = 0
det| 4 6 ; 4 5 | = -4
473K
∫₀^∞ e^(-x²) dx = √π / 2
338K
∇²ψ = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
188K
AgNO₃ + NaCl → AgCl↓ + NaNO₃