Test the Series for Convergence or Divergence$\sum _ { k = 1 } ^ { \infty } \frac { ( - 6 ) ^ { k + 1 } } { 7 ^ { 2 k } }$

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The Answer of Test the Series for Convergence or Divergence$\sum _ { k = 1 } ^ { \infty } \frac { ( - 6 ) ^ { k + 1 } } { 7 ^ { 2 k } }$

Test the Series for Convergence or Divergence $\sum _ { k = 1 } ^ { \infty } \frac { ( - 6 ) ^ { k + 1 } } { 7 ^ { 2 k } }$