• Loser66
$$\sum_{n=1}^\infty n^az^n$$ for |z| =1, $$z\neq -1$$ a) Which value of a , the series diverges at z =1 and converges at z = -1? b) discuss the convergence of the series with the values of a above when |z|=1 $$z\neq 1$$ Please, help.
Mathematics

Looking for something else?

Not the answer you are looking for? Search for more explanations.