SOLUTION: a(n) =-2.5 times 4^n-1 could you show the work please

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Question 810623: a(n) =-2.5 times 4^n-1

could you show the work please
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
What work?
Cheers,
Stan H.
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