(2) n2 + 1 5 +3 n=1 e of the following statements is son test by LCT, the comparison es 1 diverges by LCT and series

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.2: Arithmetic Sequences
Problem 68E
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Consider the following series
2n+ 7
n+ 5
1
(1) -1)"n
(2) )
(3)
n2 + 1
n=1
+ 3
n=1
n=1
Only one of the following statements is correct. Choose the correct one (denote the limit
comparison test by LCT, the comparison test by CT and the alternating series test by
AST)
(A) series 1 diverges by LCT and series 2 diverges by CT
(B) series 1 diverges by LCT and series 3 converges by LCT
(C) series 2 converges by CT.
(D) series 1 and 3 diverge by LCT
(E) series 2 and 3 converge by LCT
(F) series 3 diverges by AST
Transcribed Image Text:Consider the following series 2n+ 7 n+ 5 1 (1) -1)"n (2) ) (3) n2 + 1 n=1 + 3 n=1 n=1 Only one of the following statements is correct. Choose the correct one (denote the limit comparison test by LCT, the comparison test by CT and the alternating series test by AST) (A) series 1 diverges by LCT and series 2 diverges by CT (B) series 1 diverges by LCT and series 3 converges by LCT (C) series 2 converges by CT. (D) series 1 and 3 diverge by LCT (E) series 2 and 3 converge by LCT (F) series 3 diverges by AST
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