Question

if the product of two zeros of the polynomial 3x^3-x^2-3x+1 is -1 then find its third zero​

Answer 1

Step-by-step explanation:

x=-1 x=-1

so, x+1=0

(x+1)(x+1)

x²+1 is a factor of 3x³-x²-3x+1

divide 3x³-x²-3x+1 by x²+1

answer comes to be 3x-1

so x = 1/3

so third zero is 1/3