Math Dump /sym/705879
id=179516 · host=jp.commstar.world · 2026-09-01 21:10Z
7z² + 7z + 4 = 0
det| 4 1 ; 6 5 | = 14
402K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 5 3 ; 7 6 | = 9
398K
3r² + 9r + 3 = 0
\lim_{ψ\to 0} \frac{\sin ψ}{ψ} = 1
∑_{k=1}^{n} k = n(n+1)/2
d/dγ [γ^2] = 2γ^1
ω = 2πf
∑_{k=1}^{n} k = n(n+1)/2
\frac{4}{9} \sum_{i=1}^{n} i^{2}
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
Fe₂O₃ + 3CO → 2Fe + 3CO₂
∂β/∂n = 8β