Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 15:40Z
\lim_{y\to 0} \frac{\sin y}{y} = 1
\binom{n}{k} = \frac{n!}{k!(n-k)!}
326K
∑_{k=1}^{n} k = n(n+1)/2
198K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 9 4 ; 1 10 | = 86
155K
∑_{k=1}^{n} k = n(n+1)/2
63K
det| 8 8 ; 0 9 | = 72
\binom{n}{k} = \frac{n!}{k!(n-k)!}
366K
λ = h/p
AgNO₃ + NaCl → AgCl↓ + NaNO₃
\oint_C \vec{F}\cdot d\vec{r} = 0
359K
CH₄ + 2O₂ → CO₂ + 2H₂O
8x² + 1x + 3 = 0
det| 11 8 ; 3 12 | = 108
∇ × E = −∂B/∂t
F = ma