Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-21 00:09Z
det| 3 4 ; 0 4 | = 12
∑_{k=1}^{n} k = n(n+1)/2
372K
∫₀^∞ e^(-β²) dβ = √π / 2
8n² + 5n + 1 = 0
det| 2 7 ; 7 3 | = -43
287K
N₂ + 3H₂ ⇌ 2NH₃
ω = 2πf
Fe₂O₃ + 3CO → 2Fe + 3CO₂
F = ma
ΔS ≥ 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}