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Find limnk=1nk2+2k+32n4\lim _ { n \rightarrow \infty } \sum _ { k = 1 } ^ { n } \frac { k ^ { 2 } + 2 k + 3 } { 2 n ^ { 4 } }

Question 68

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Find limnk=1nk2+2k+32n4\lim _ { n \rightarrow \infty } \sum _ { k = 1 } ^ { n } \frac { k ^ { 2 } + 2 k + 3 } { 2 n ^ { 4 } }


A) 13\frac { 1 } { 3 }
B) 12\frac { 1 } { 2 }
C) 16\frac { 1 } { 6 }
D) 14\frac { 1 } { 4 }

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