Math Dump /sym/b611a2
id=685075 · host=jp.commstar.world · 2026-09-01 21:06Z
det| 7 2 ; 6 8 | = 44
det| 4 1 ; 6 5 | = 14
402K
ω = 2πf
det| 5 3 ; 7 6 | = 9
398K
det| 4 1 ; 2 5 | = 18
det| 1 5 ; 2 2 | = -8
ω = 2πf
∑_{k=1}^{n} k = n(n+1)/2
N₂ + 3H₂ ⇌ 2NH₃
Fe₂O₃ + 3CO → 2Fe + 3CO₂
d/dr [r^5] = 5r^4
N₂ + 3H₂ ⇌ 2NH₃
det| 4 3 ; 3 5 | = 11
\binom{n}{k} = \frac{n!}{k!(n-k)!}