a) Find A and B such that (12)* (4k+1_3k+1)(4* _3k) 3* A + 4k _3k 3*B 4k+1_3k+1 b) Use the result in part a) to find a closed form of the nth partial sum of the series (12)* Ek=1 (gki1_gk+1)(4* –3*) and then find the sum of the series.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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a) Find A and B such that
(12)*
(4*+1_3k+1)(4* _3*)
3* A
+
4k+1_3k+1
3kB
4k _3k
b) Use the result in part a) to find a closed form of the nth partial sum of the series
(12)*
Lik=1 (4k+1_3k+1)(4*–3*)
and then find the sum of the series.
3* B
3k+1
olacak seK
gerlerini bulunuz.
b) a
tentar emuz:
!!
eSerinin
3n+1
O A= 1, B = -3, Sn = 3 –
Sum = 3
4"+1_3n+1
,
37
O A= 3, B = -1, Sn = 4 –
Sum
4
4"-3" )
3"+1
O A= 1, B = -3, S, = 4
Sum = 4
4"+1_3#+1 )
37+1
ОА- 3, В - —1,S, — 3 —
,Sum = 3
4"+1_3n+1
ОА-3, В — —1,S, — 3 —
3"
Sum = 3
4"-3" >
Transcribed Image Text:a) Find A and B such that (12)* (4*+1_3k+1)(4* _3*) 3* A + 4k+1_3k+1 3kB 4k _3k b) Use the result in part a) to find a closed form of the nth partial sum of the series (12)* Lik=1 (4k+1_3k+1)(4*–3*) and then find the sum of the series. 3* B 3k+1 olacak seK gerlerini bulunuz. b) a tentar emuz: !! eSerinin 3n+1 O A= 1, B = -3, Sn = 3 – Sum = 3 4"+1_3n+1 , 37 O A= 3, B = -1, Sn = 4 – Sum 4 4"-3" ) 3"+1 O A= 1, B = -3, S, = 4 Sum = 4 4"+1_3#+1 ) 37+1 ОА- 3, В - —1,S, — 3 — ,Sum = 3 4"+1_3n+1 ОА-3, В — —1,S, — 3 — 3" Sum = 3 4"-3" >
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