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26 February, 07:31

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

three terms is 26.

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  1. 26 February, 09:31
    0
    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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