If $α, β, γ$ are the zeroes of the cubic polynomial a $x^{3}$ +b $x^{2}$ +cx+d = 0, then $α + β + γ$ equal to:

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Solution

The correct option is D
-

For cubic polynomial,

Sum of zeroes = - $\frac{(coefficient of x^{2})}{(coefficient of x^{3})} = - \frac{b}{a}$

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