Question

Find the interval of convergence for the series ∑∞ (−𝟏)𝒏 (𝒙+𝟏)𝒏/n3^3 . Be sure
to check for convergence or divergence the endpoints of the interval

Answer 1

Is that supposed to be
(-1)^n (x+1)^n / n^3^3
???
Fix it if not.