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42) The series ) 1 converges if and only if n2-a n=1 a) a > 1 b) a < 1 c) α > 1 d) -1 < a <1 e) None of the above 1 43) The series >(-1)"-1 sin( n=1 a) converges absolutely. b) converges conditionally. c) diverges. d) None of the above.

42) The series ) 1 converges if and only if n2-a n=1 a) a > 1 b) a < 1 c) α > 1 d) -1 < a <1 e) None of the above 1 43) The series >(-1)"-1 sin( n=1 a) converges absolutely. b) converges conditionally. c) diverges. d) None of the above.

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Solve both 42 and 43 please

42) The series ) 1 converges if and only if n2-a n=1 a) a > 1 b) a < 1 c) α > 1 d) -1 < a <1 e) None of the above 1 43) The series >(-1)"-1 sin( n=1 a) converges absolutely. b) converges conditionally. c) diverges. d) None of the above.
Transcribed Image Text:42) The series ) 1 converges if and only if n2-a n=1 a) a > 1 b) a < 1 c) α > 1 d) -1 < a <1 e) None of the above 1 43) The series >(-1)"-1 sin( n=1 a) converges absolutely. b) converges conditionally. c) diverges. d) None of the above.
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