Math Dump /sym/f9226e
id=149994 · host=jp.commstar.world · 2026-09-01 21:08Z
∑_{k=1}^{n} k = n(n+1)/2
det| 4 1 ; 6 5 | = 14
402K
\lim_{ψ\to 0} \frac{\sin ψ}{ψ} = 1
det| 5 3 ; 7 6 | = 9
398K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
ω = 2πf
det| 5 2 ; 5 6 | = 20
det| 6 6 ; 7 7 | = 0
e^{i\pi} + 1 = 0
e^{i\pi} + 1 = 0
4γ² + 2γ + 0 = 0
2ψ² + 9ψ + 1 = 0
d/dψ [ψ^8] = 8ψ^7
F = G m₁m₂ / r²