Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-19 20:54Z
∑_{k=1}^{n} k = n(n+1)/2
12ω² + 6ω + 7 = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
131K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
158K
d/dn [n^4] = 4n^3
∑_{k=1}^{n} k = n(n+1)/2
376K
det| 9 1 ; 1 10 | = 89
det| 1 6 ; 5 2 | = -28
∑_{k=1}^{n} k = n(n+1)/2
91K
e^{i\pi} + 1 = 0
ω = 2πf
ΔS ≥ 0
4r² + 4r + 6 = 0