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What is the explicit formula of the geometric sequence? 5,-15,45,-135

What is the explicit formula of the geometric sequence? 5,-15,45,-135
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What is the explicit formula of the geometric sequence? 5,-15,45,-135

User Camous
by
8.5k points

1 Answer

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Answer:

Tn=a(-3)^(n-1)

where a is first term and n is number of terms

Explanation:

r=-3

User Jeremywhuff
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