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yuradex [85]
3 years ago
11

5. It is given that -2,4, a, b and care five consecutive terms of a geometric progression. Find the value of c.

Mathematics
1 answer:
vlada-n [284]3 years ago
3 0

Answer:

c = - 32

Step-by-step explanation:

The common ratio r of the sequence is

r = \frac{a_{2} }{a_{1} } = \frac{4}{-2} = - 2

To find the next term in the sequence multiply the previous term by r

a = 4 × - 2 = - 8

b = - 8 × - 2 = 16

c = 16 × - 2 = - 32

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Read 2 more answers
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