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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 (akashdeepdeb):
What do you think?
OpenStudy (akashdeepdeb):
What do you know about a Geo Sequence? And it's common ratio?
OpenStudy (akashdeepdeb):
REPLY!!
OpenStudy (anonymous):
i was away... i think its B am i right?
OpenStudy (akashdeepdeb):
Yes. :)
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