Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 15:21Z
\lim_{y\to 0} \frac{\sin y}{y} = 1
∫₀^∞ e^(-t²) dt = √π / 2
326K
∑_{k=1}^{n} k = n(n+1)/2
198K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
∑_{k=1}^{n} k = n(n+1)/2
63K
det| 8 8 ; 0 9 | = 72
det| 7 4 ; 4 8 | = 40
366K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
359K
\lim_{α\to 0} \frac{\sin α}{α} = 1
263K
∑_{k=1}^{n} k = n(n+1)/2
233K