If the zeros of the polynomial F(x) = ax^3+3bx^2 +3cx+d. Are in ap. Prove that. 2b^3-3abc+a^2d=0

If the zeros of the polynomial F(x) = ax^3+3bx^2 +3cx+d. Are in ap. Pr

1.	If the zeros of the polynomial F(x) = ax^3+3bx^2 +3cx+d. Are in ap. Prove that. 2b^3-3abc+a^2d=0
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