Geometric progressio

If the fifth term of a g.p. is 81 and second term is 24, find the g.p.

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  1. Use your definitions:
    the fifth term of a g.p. is 81 ---> ar^4 = 81
    second term is 24 -----> ar = 24

    divide them:
    (ar^4)/(ar) = 81/24
    r^3 = 27/8
    r = 3/2

    then in ar=24
    (3/2)a = 24
    a = 16

    the GP is
    16, 24, 36, 54, 81, ...

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  2. Thanks for your helpfull site

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  3. Very good

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  4. thanks

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  5. Super

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  6. πŸ˜€πŸ˜
    Thank you so much

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  7. Thanks sir

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  8. Superb

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  9. Very good thnxπŸ‘πŸ‘πŸ‘

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  10. Thanks for ur help

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