- #1
emk
- 3
- 0
x^n/(2n-1) is the series. It starts at 1 and goes to infinity.
I did the ratio test on it and got abs.(x)
So the radius of convergence=1, and then I plugged -1 and 1 into the original series and got that they both converged. But the answer is [-1,1). Why aren't they both hard brackets?
I did the ratio test on it and got abs.(x)
So the radius of convergence=1, and then I plugged -1 and 1 into the original series and got that they both converged. But the answer is [-1,1). Why aren't they both hard brackets?