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A geometric sequence is defined recursively by an = 3an-1. The 1st term of the sequence is 0.25. What is the explicit formula for the nth term of the sequence?

A geometric sequence is defined recursively by an 3an1 The 1st term of the sequence is 025 What is the explicit formula for the nth term of the sequence class=

Respuesta :

The 1st term of the sequence is 0.25
and
the common ratio is 3

then:
the explicit formula would be:
[tex]a_n=0.25*(3)^{n-1}[/tex]

I hope that helps!



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