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Question

If α, β, γ are the zeros of the polynomial f(x) = ax3 + bx2 + cx + d, then 1α+1β+1γ=

(a) -bd
(b) cd
(c) -cd
(d) -ca

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Solution

We have to find the value of

Given be the zeros of the polynomial

We know that

So

Hence, the correct choice is


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