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love history [14]
3 years ago
7

WILL MARK BRAINLIEST In this geometric sequence, what is the common ratio? 104, -52, 26, -13, ...

Mathematics
1 answer:
Lilit [14]3 years ago
8 0

Answer:

r = - \frac{1}{2}

Step-by-step explanation:

The common ratio r of a geometric sequence is

r = \frac{a_{2} }{a_{1} } = \frac{a_{3} }{a_{2} } = .....

Hence

r = \frac{-52}{104} = \frac{26}{-52} = - \frac{1}{2}

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