Σ(n=1 to ∞) (n² + n) / 2ⁿ = 6
Σ(n=1 to ∞) (n² + n) / 2ⁿ = 6
DEEP
Redirecting to VaultCord...
Σ(n=1 to ∞) (n² + n) / 2ⁿ = 6
Redirecting to VaultCord...