os - and b, = cos 1 for all n eN such thatn > 2. п-1 Let an = COS п = COS Determine whether the given series is convergent or divergent. (a) 2n=2 (b) E, (bn – an) (an) n=2
os - and b, = cos 1 for all n eN such thatn > 2. п-1 Let an = COS п = COS Determine whether the given series is convergent or divergent. (a) 2n=2 (b) E, (bn – an) (an) n=2
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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Transcribed Image Text:Let an = cos
- and bn
- for all n E N such that n > 2.
= COS
n
п-1
Determine whether the given series is convergent or divergent.
(b) E-2 (bn – an)
n=2
n=2
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