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24-12-2018
Mathematics

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List the first four terms of a geometric sequence with t 1 = 4 and t n = -3t n-1 .

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24-12-2018

[tex]t_1=4\\t_n=-3t_{n-1}\\\\t_2=-3\cdot4=-12\\t_3=-3\cdot(-12)=36\\t_4=-3\cdot36=-108[/tex]

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