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Mathematics 17 Online
OpenStudy (anonymous):

find the general term a^n for thegeometic sequence. a^1=-3 and a^z=15

OpenStudy (mathstudent55):

\[a _{n} = a _{1}r ^{n - 1}\]

OpenStudy (mathstudent55):

I assume that a^1 is the first term. What is a^z?

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