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What is the 7th term in the geometric sequence in which a2 is -12 and a5 is -768?
Wiki User
∙ 10y ago
a2 x r3 = a5, so r3 = -768/-12 = 4
a7 = a5 x r x r = -768 x 4 x 4 = -12,288
Wiki User
∙ 10y ago
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