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Solve the equation 8x ^(3) - 36 x ^(2) ...

Solve the equation `8x ^(3) - 36 x ^(2) - 18 x + 81 = 0` the roots being in A.P.

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Knowledge Check

  • If 2, 3 are the roots of the equation 2x^(3) + px^(2) - 13x + q = 0, then (p , q) =

    A
    (-5, - 30)
    B
    (-5, 30)
    C
    (5, -30)
    D
    (5, 30)
  • If the roots of 2x^(3) - 3x^(2) - 11x + 6 = 0 are in A.P. then the roots are

    A
    1/2, 1/2, -1/5
    B
    `-1//2, 1//3, 1//5`
    C
    1/2, 1/2, -6
    D
    `-2` 1/2 ,3
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