SOLUTION: write an expression for the general or nth term. an, for the geometic sequence 1,-4,16,-64,...

SOLUTION: write an expression for the general or nth term. an, for the geometic sequence 1,-4,16,-64,...

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Question 724033: write an expression for the general or nth term. an, for the geometic sequence 1,-4,16,-64,...
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
write an expression for the general or nth term. an, for the geometic sequence 1,-4,16,-64,...
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a(1) = 1
r = -4
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a(n) = 1*(-4)^(n-1)
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Cheers,
Stan H.
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