Determine whether the series $\sum _ { n = 1 } ^ { \infty } \frac { 3 + ( - 1 ) ^ { n } } { 3 ^ { n } }$ is convergent or divergent. If it is convergent, find the sum.

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The Answer of Determine whether the series $\sum _ { n = 1 } ^ { \infty } \frac { 3 + ( - 1 ) ^ { n } } { 3 ^ { n } }$ is convergent or divergent. If it is convergent, find the sum.

Determine Whether the Series ∑n=1∞3+(−1)n3n\sum _ { n = 1 } ^ { \infty } \frac { 3 + ( - 1 ) ^ { n } } { 3 ^ { n } }∑n=1∞​3n3+(−1)n​

Determine Whether the Series $\sum _ { n = 1 } ^ { \infty } \frac { 3 + ( - 1 ) ^ { n } } { 3 ^ { n } }$