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OpenStudy (anonymous):
Which of the following is the formula for this geometric sequence? 1, -3, 9, -27,... Answer an = -1(3)n-1 an = 1(-3)n-1 an = 3(-1)n-1
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OpenStudy (anonymous):
@madrockz do u know?
OpenStudy (anonymous):
no..even i have a doubt
OpenStudy (anonymous):
nobody knows .-.
OpenStudy (anonymous):
do u know @itsmeeQUENNIE????
OpenStudy (anonymous):
maybe? :)
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OpenStudy (anonymous):
O_o
OpenStudy (anonymous):
pleaseeee
OpenStudy (anonymous):
okay.. :) the answer is the SECOND one. :D
OpenStudy (anonymous):
thxxx!!!! :))
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