SOLUTION: Write the first 5 terms of the sequence: a_(1)=1 a_(2)=0 a_(n)= a_(n-1)-a_(n-2) For a_(3) I got -1 but when I try solving for a_(4) I get -1 again, and for a_(5) I get 2.

Algebra.Com
Question 1108762: Write the first 5 terms of the sequence:
a_(1)=1
a_(2)=0
a_(n)= a_(n-1)-a_(n-2)
For a_(3) I got -1 but when I try solving for a_(4) I get -1 again, and for a_(5) I get 2.
Key:
a_(#) in words means "a sub #".

Answer by ikleyn(52781)   (Show Source): You can put this solution on YOUR website!
.
 = 1

 = 0

 =  -  = 0 - 1 = -1

 =  -  = -1 - 0 = -1

 =  -  = -1 - (-1) = -1 + 1 = 0.



The first 5 terms are  1,  0, -1, -1,  0.


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