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Find the Interval of Convergence Of ∑n=0∞xn3n+1\sum _ { n = 0 } ^ { \infty } \frac { x ^ { n } } { 3 n + 1 }

Question 280

Multiple Choice

Find the interval of convergence of ∑n=0∞xn3n+1\sum _ { n = 0 } ^ { \infty } \frac { x ^ { n } } { 3 n + 1 } .


A) [−3,3][ - 3,3 ]
B) (−1,1) ( - 1,1 )
C) (−3,3) ( - 3,3 )
D) [−1,1][ - 1,1 ]
E) (−1,1]( - 1,1 ]
F) (−3,3]( - 3,3 ]
G) [−3,3) [ - 3,3 )
H) [−1,1) [ - 1,1 )

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