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Find the Nth Term of the Geometric Sequence 5,−15,45,−135,4055 , - 15,45 , - 135,405

Question 175

Multiple Choice

Find the nth term of the geometric sequence.
- 5,−15,45,−135,4055 , - 15,45 , - 135,405


A) an=5⋅(−3) n−1a _ { n } = 5 \cdot ( - 3 ) ^ { n - 1 }
B) an=5⋅(−3) na _ { n } = 5 \cdot ( - 3 ) n
C) an=a1−3na _ { n } = a _ { 1 } - 3 ^ { n }
D) an=5⋅(−3) na _ { n } = 5 \cdot ( - 3 ) ^ { n }

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