GATE (TF) Textile 2009 Question Paper Solution | GATE/2009/TF/23

Question 23 (Textile Engineering & Fibre Science)

If $S$ is the largest possible set of real numbers $x$ for which the series $\sum_{n=1}^{\infty} \frac{x^n}{n}$ is convergent, then $S$ is

(A)	$(-1,1)$
(B)	$[-1,1)$
(C)	$[-1,1)$
(D)	$(-\infty, \infty)$

[Show Answer]

Option A is correct

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