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Math

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x, x+5, x+9 form a geometric sequence; find the value(s) of x and the numerical value of each term.

  • Math - ,

    for a GS (x+5)/x = (x+9)/(x+5)

    x^2 + 10x + 25 = x^2 + 9x
    x = -25

    so the terms are -25,-20,-16

    Check: -20/-25 = .8
    -16/-20 = .8

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