Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 17:39Z
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
75K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
479K
8β² + 2β + 0 = 0
∑_{k=1}^{n} k = n(n+1)/2
∫₀^∞ e^(-x²) dx = √π / 2
191K
\lim_{r\to 0} \frac{\sin r}{r} = 1
det| 11 4 ; 5 12 | = 112
1K
det| 12 1 ; 1 13 | = 155
\lim_{t\to 0} \frac{\sin t}{t} = 1
N₂ + 3H₂ ⇌ 2NH₃