Find the nth term of the geometric sequence.a = 2; r = -4
A. an = 2 ? -4n-1
B. an = 2 ? 4n-1
C. an = -4 ? 2n-1
D. an = 2 ? -4n
Answer: A
Mathematics
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B. 
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C. 
D. 
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A. 
B. 
C. 
D. 
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10
A. - 
+ 
i
B. 
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