Mathematics, 18.07.2019 14:30 alondrabdiaz586
The n term of a geometric sequence is denoted by tn and the sum of the first n terms is denoted by sn. given t6-t4=5/2 and s5-s3=5.calculate (a)the common ratio. (b)the first term of this geometric sequence
Answers: 1
, 
, then
.
, then 
will have form 
.
and dividing first equation on second we obtain 
. So, 
and 
, 
- the common ratio.
and obtain 
, from where 
.
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The n term of a geometric sequence is denoted by tn and the sum of the first n terms is denoted by s...
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