How do you find the interval of convergence #Sigma x^n/n^2# from #n=[1,oo)#?
1 Answer
Jul 5, 2018
The interval of convergence is
Explanation:
Use the Ratio test to compute the convergence interval
Calculate the limit as
Therefore,
The series converges for
Now, check the convergence when,
When
By the
When
By the
The series converges absolutely