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

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

1.	If α,β and γ are the zeros of the polynomial f(x)= ax3+bx2+cx+d, then 1α+1β+1γ is:
Answer» If $α, β$ and $γ$ are the zeros of the polynomial f(x)= $a x^{3} + b x^{2} + c x + d$ , then $\frac{1}{α} + \frac{1}{β} + \frac{1}{γ}$ is: