If α,β,γ are zeros of the polynomial ax3+bx2+cx+d, then αβγ=
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,γ be the zeroes of the polynomial ax3+bx2+cx+d, then the value of αβ+βγ+γα is-