white633 white633

21-11-2016
Mathematics

contestada

find the explicit formula that produces the given sequence 2,-6,18,-54,...

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CollinStanley CollinStanley

21-11-2016

a_1 = 2, a_(n+1) = -3*a_n.
In words, the next term is the current
one multiplied by -3.

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estherakinali estherakinali

21-11-2016

To find explicit rule you need the first term and common difference
I don't think that is a sequence because it has no common difference

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