Question

Calculus question! find all values of x for which the series n to infinity x^n/n converges.

Answer 1

\[\sum_{n=1}^{\infty} x^n / n\]

Answer 2

\[x\in[-1,1)\]

Answer 3

Needs |x|<1 in general, although x=-1 will also work.

Answer 4

so is it [−1,1) or (-1,1)?:)

Answer 5

[-1,1)

Answer 6

thank you!