Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 17:37Z
∑_{k=1}^{n} k = n(n+1)/2
det| 4 8 ; 3 5 | = -4
75K
8β² + 2β + 0 = 0
det| 4 4 ; 5 5 | = 0
276K
det| 7 4 ; 4 8 | = 40
129K
∑_{k=1}^{n} k = n(n+1)/2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
191K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
390K
\lim_{r\to 0} \frac{\sin r}{r} = 1
\binom{n}{k} = \frac{n!}{k!(n-k)!}
153K
det| 12 1 ; 1 13 | = 155
det| 11 9 ; 5 12 | = 87
473K
N₂ + 3H₂ ⇌ 2NH₃
∑_{k=1}^{n} k = n(n+1)/2
188K