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What are the first four terms of the geometric sequence with a t1 = 3 and tn = 2tn-1?
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What are the first four terms of the geometric sequence with a t1 = 3 and tn = 2tn-1?

User Catharsis
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Hello,


t_(1) =3\\ t_(n) = 2*t_(n-1)\\ t_(2) =2* t_(1) =2*3=6\\ t_(3) =2* t_(2) =2*6=12\\ t_(4) =2* t_(3) =2*12=24\\
User Wsj
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