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Use the Ratio Test to Examine the Two Series Below n=1(1)n122n+15n\sum _ { n = 1 } ^ { \infty } ( - 1 ) ^ { n - 1 } \frac { 2 ^ { 2 n + 1 } } { 5 ^ { n } }

Question 13

Multiple Choice

Use the Ratio Test to examine the two series below, stating: absolute convergence (A) , divergence (D) , or Ratio Test inconclusive (I) .
1) n=1(1) n122n+15n\sum _ { n = 1 } ^ { \infty } ( - 1 ) ^ { n - 1 } \frac { 2 ^ { 2 n + 1 } } { 5 ^ { n } }
2) n=1(1) n15n22n+1\sum _ { n = 1 } ^ { \infty } ( - 1 ) ^ { n - 1 } \frac { 5 ^ { n } } { 2 ^ { 2 n + 1 } }


A) 1A, 2A
B) 1A, 2D
C) 1A, 2I
D) 1D, 2A
E) 1D, 2D
F) 1D, 2I
G) 1I, 2A
H) 1I, 2D

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