3 years ago

7. Find all geometric sequences such that the sum of the first two terms is 24 and the sum of the first

Mathematics

1 answer:

sesenic [268]3 years ago

6 0

Answer:

Step-by-step explanation:

Let the first term is n, then the second term must be an where a is a common ratio, and the third term is a^2 n

so, n + an = 24

n + an + a^2 n = 26

solve for a, then solve for n

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