Math Dump /sym/8d6070
id=192343 · host=jp.commstar.world · 2026-09-01 21:08Z
∑_{k=1}^{n} k = n(n+1)/2
det| 4 1 ; 6 5 | = 14
402K
10n² + 9n + 1 = 0
det| 5 3 ; 7 6 | = 9
398K
λ = h/p
iħ ∂ψ/∂t = Ĥψ
9n² + 3n + 7 = 0
\oint_C \vec{F}\cdot d\vec{r} = 0
det| 1 6 ; 7 2 | = -40
4φ² + 9φ + 1 = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
∑_{k=1}^{n} k = n(n+1)/2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 6 7 ; 5 7 | = 7