If the roots of the equation $x^3+3 p x^2+3 q x-8=0$ are in an arithmetic progression then $2 p^3-3 p q=$

If the roots of the equation $x^3+3 p x^2+3 q x-8=0$ are in an arithmetic progression then $2 p^3-3 p q=$
  1. 8
  2. -8
  3. 4
  4. -4

Solution

No solution. Refer to answer key.

Asked in: AP EAMCET 2017 (26 Apr Shift 2)

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