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algebra

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the volume of a cylinder is represented by the polynomial 2pier^3 + 12piex^2 + 18piex. find the expression for the radius and the expression for the height in terms of x

  • algebra -

    V = pi r^2 h
    so try to factor out pi r^2
    (I think you have a typo x^3 not r^3)
    2 pi x^3 + 12 pi x^2 + 18 pi x

    pi x^2 (2 x + 12 + 18/x)
    if r = x^2 then h = (2x + 12 + 18/x)

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