Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-19 20:52Z
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
36K
12ω² + 6ω + 7 = 0
d/dn [n^4] = 4n^3
CH₄ + 2O₂ → CO₂ + 2H₂O
240K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
376K
det| 9 1 ; 1 10 | = 89
det| 7 4 ; 4 8 | = 40
139K
∫₀^∞ e^(-y²) dy = √π / 2
344K
det| 1 6 ; 5 2 | = -28
e^{i\pi} + 1 = 0
ω = 2πf
ΔS ≥ 0
4r² + 4r + 6 = 0
9r² + 1r + 4 = 0