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OpenStudy (anonymous):
Write the recursive formula for the geometric sequence. a1 = -2 a2 = 8 a3 = -32
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OpenStudy (anonymous):
looks like you are multiplying each number by \(-4\) to get the next number
OpenStudy (anonymous):
you could say \(a_1=2, a_n=-4\times a_{n-1}\) as a recursion
OpenStudy (anonymous):
oops i meant \(a_1=-2\) sorry
OpenStudy (anonymous):
I got it thank you!! (:
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