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Chapter 12: Q. 4 (page 838)

In Problems 1鈥� 4, write down the first five terms of each sequence.

a1=2an=2-an-1

Short Answer

Expert verified

The first five terms of the sequence are: 2,0,2,0,2

Step by step solution

01

Given information.  

General term of the sequence:

an=2-an-1

First term of the sequence:a1=2

02

Step 2. Substitute first four integral value of  n starting from 2 in the expression  anand solve. 

Second term:

a2=2-a2-1=2-a1=2-2=0

Third term:

a3=2-a3-1=2-a2=2-0=2

Fourth term:

a4=2-a4-1=2-a3=2-2=0

Fifth term:
a5=2-a5-1=2-a4=2-0=2


So, first five term of the sequence are:2,0,2,0,2

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