Mathematics, 20.07.2019 12:30 Kellymac9901
Find the fifth term of the arithmetic sequence in which t1 = 3 and tn = tn-1 + 4. a) 5 b) 7 c) 19 d) 23
Answers: 1
and 
. Fifth term is 
. It means we need to find 
and in order to find the latter, we have to find 
, 
and 
 . Since we know the value of  
, beginning from the last equation we can find the value of 
. We can write that 
, 
and 
. Since 
, then 
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Find the fifth term of the arithmetic sequence in which t1 = 3 and tn = tn-1 + 4. a) 5 b) 7 c) 19...
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