Consider power series
in which coefficients an = 1, 2, 3, 1, 2, 3, 1 ... are periodic of period 3. Find the radius of convergence and the sum of this power series.
For the radius, is it simply a task of doing the limit test, where ?
Consider power series
in which coefficients an = 1, 2, 3, 1, 2, 3, 1 ... are periodic of period 3. Find the radius of convergence and the sum of this power series.
For the radius, is it simply a task of doing the limit test, where ?