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For Which Positive Integers kk Is the Series ∑n=1∞(n!)5(kn)!\sum _ { n = 1 } ^ { \infty } \frac { ( n ! ) ^ { 5 } } { ( k n ) ! }

Question 33

Multiple Choice

For which positive integers kk is the series ∑n=1∞(n!) 5(kn) !\sum _ { n = 1 } ^ { \infty } \frac { ( n ! ) ^ { 5 } } { ( k n ) ! } convergent?


A) k≥5k \geq 5
B) k≤0k \leq 0
C) k≥0k \geq 0
D) k≥1k \geq 1
E) k≤−5k \leq - 5

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