Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-19 18:05Z
9n² + 9n + 6 = 0
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
158K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
ΔS ≥ 0
∂x/∂ω = 9x
∑_{k=1}^{n} k = n(n+1)/2
91K
det| 7 4 ; 4 8 | = 40
201K
4t² + 8t + 6 = 0
det| 7 2 ; 3 8 | = 50
399K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
d/dn [n^10] = 10n^9