Mathematics, 10.07.2019 23:00 llama1314
Which formula can be used to find any term ,n ,of the sequence 1,—2/3,4/
Answers: 1
![\bf n^{th}\textit{ term of a geometric sequence} \\\\ a_n=a_1\cdot r^{n-1}\qquad \begin{cases} n=n^{th}\ term\\ a_1=\textit{first term's value}\\ r=\textit{common ratio}\\[-0.5em] \hrulefill\\ a_1=1\\ r=-\frac{2}{3} \end{cases} \\\\\\ a_n=1\left( -\frac{2}{3} \right)^{n-1}\implies a_n=\left( -\frac{2}{3} \right)^{n-1}](/tpl/images/0074/9490/8c511.png)
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Which formula can be used to find any term ,n ,of the sequence 1,—2/3,4/...
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