4 3. Let S = E(-1)n+11 and let S4 = E(-1)n+11. Then S4 < S since the next term in the series is positive. n=1 n=1

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Question
True or False
4
3.
Let S = E(-1)n+11 and let S4 = E(-1)"+11. Then S4 < S since the next term in the series is positive.
n
n=1
n=1
13
4.
Let S = E(-1)n+11 and let S13
E(-1)"+11. Then S13 < S since the next term in the series
n=1
n=1
is negative.
7.
If lan| < |bn| and E [bn| converges, then D |an| converges.
n=1
n=1
8.
If an| < |bn| and bn converges, then E an converges.
n=1
n=1
19.
If the power series
anx" converges at x = 4, then it converges absolutely at x = -2.
n=0
20.
If the power series anx" converges at x = 4, then it converges at x = -4.
n=0
Transcribed Image Text:True or False 4 3. Let S = E(-1)n+11 and let S4 = E(-1)"+11. Then S4 < S since the next term in the series is positive. n n=1 n=1 13 4. Let S = E(-1)n+11 and let S13 E(-1)"+11. Then S13 < S since the next term in the series n=1 n=1 is negative. 7. If lan| < |bn| and E [bn| converges, then D |an| converges. n=1 n=1 8. If an| < |bn| and bn converges, then E an converges. n=1 n=1 19. If the power series anx" converges at x = 4, then it converges absolutely at x = -2. n=0 20. If the power series anx" converges at x = 4, then it converges at x = -4. n=0
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