n cos? n n3 +1 by comparison test. n=1

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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I need help in problme 3 please 

For problems 2 through 6, use the indicated test to determine if the series converges or diverges.
1
2.
help
by integral test.
in Pioblem #3
n In n
n=2
3. E
n cos? n
n3 +1
by comparison test.
n=1
4. V3n + 1
n2 + 1
by limit comparison test.
n=1
5. E
2"n!
by ratio test.
n=1
2
n + 1
6. I()
by root test.
n + 2
n=1
Transcribed Image Text:For problems 2 through 6, use the indicated test to determine if the series converges or diverges. 1 2. help by integral test. in Pioblem #3 n In n n=2 3. E n cos? n n3 +1 by comparison test. n=1 4. V3n + 1 n2 + 1 by limit comparison test. n=1 5. E 2"n! by ratio test. n=1 2 n + 1 6. I() by root test. n + 2 n=1
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