1. lim(n→∞) (2026/n) × [1/(2+1/n)^(1/n) + 1/(2+2/n)^(2/n) + ... + 1/(2+(n-1)/n)^((n-1)/n)] = lim(n→∞) (2026/n) × Σ(k=0 to n-1) 1/(2+k/n)^(k/n) = ?