Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-19 20:27Z
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
269K
12ω² + 6ω + 7 = 0
det| 11 9 ; 0 12 | = 132
131K
∫₀^∞ e^(-n²) dn = √π / 2
158K
d/dn [n^4] = 4n^3
det| 7 4 ; 4 8 | = 40
376K
det| 9 1 ; 1 10 | = 89
det| 1 6 ; 5 2 | = -28
∑_{k=1}^{n} k = n(n+1)/2
91K
ω = 2πf
ΔS ≥ 0
4r² + 4r + 6 = 0
9r² + 1r + 4 = 0