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RoseWind [281]
3 years ago
7

Tell whether the following sequence is geometric or not. If geometric find r

Mathematics
1 answer:
krok68 [10]3 years ago
8 0

Answer:

  • yes
  • r = 1/2

Step-by-step explanation:

We can observe each term is twice as less than the previous term.

<u>This is the indication the sequence is geometric and the common ratio is:</u>

  • r = 1/2
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<u>using cosine rule:</u>

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