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Determine the third term of the sequence defined by the formula:

t1=2a

t2=3a−1

t_n = 2t_n−1 − t_n−2,   n>3

 

Select one:

a. -1

b. 4

c. −9a+2

d. 4a−2

 Feb 22, 2019
 #1
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t1=2a

t2=3a−1

tn = 2tn−1 − tn−2  ,  n>3

 

t3 = 2(3a - 1) - 2a  =  4a - 2

 

 

cool cool cool

 Feb 22, 2019

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