Find the Radius of Convergence Of$\sum _ { n = 1 } ^ { \infty } \frac { n } { 2 \cdot 5 \cdot 8 \cdots \cdot ( 3 n - 1 ) } x ^ { n }$

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The Answer of Find the Radius of Convergence Of$\sum _ { n = 1 } ^ { \infty } \frac { n } { 2 \cdot 5 \cdot 8 \cdots \cdot ( 3 n - 1 ) } x ^ { n }$

Find the Radius of Convergence Of $\sum _ { n = 1 } ^ { \infty } \frac { n } { 2 \cdot 5 \cdot 8 \cdots \cdot ( 3 n - 1 ) } x ^ { n }$