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Raecky123
Aug 21, 2020, 7:17:00 AM
18
Find an explicit rule for the nth term of the sequence. 7, -7, 7, -7, ...
+1
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Coltman208
Aug 21, 2020, 7:49:26 AM
Try [latex]a_n=7(-1)^{n+1}[/latex], where [latex]n\ge1[/latex].
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