Let a1,  a2,a3....b1,b2,b3...All satisfy the recurrence relation that the kth term equals 3times the (k-1)at term for all integers k≥1: ak= 3ak-1,bk=3bk-1,ck=3ck-1. But suppose the initial condition was a1=1, b1=0 and c1=2. Find:- A4, a6 ,a7  b2, b4, b5  b. Show that the sequence 1,-1!, 2!, -3!,......(-1)nn!.…for n≥0, satisfies the recurrence relation sk=-K.sk-1 for all integers K≥1.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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a. Let a1,  a2,a3....b1,b2,b3...All satisfy the recurrence relation that the kth term equals 3times the (k-1)at term for all integers k≥1:

ak= 3ak-1,bk=3bk-1,ck=3ck-1. But suppose the initial condition was a1=1, b1=0 and c1=2.

Find:-

  1. A4, a6 ,a
  2. b2b4, b

b. Show that the sequence 1,-1!, 2!, -3!,......(-1)nn!.…for n≥0, satisfies the recurrence relation sk=-K.sk-1 for all integers K≥1.

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