Question

Find a cubic polynomial when the zeroes are 3 , -1 ,1

Answer 1

given zeroes are 3,-1,1

sum of zeroes= 3+1-1

=3

sum of product of zeroes taken two at a time =3×-1+1×-1+1×3

= -3-1+3

= -1

product of zeros =3×-1×1

=3

cubic polynomial is

x^3-3x^2-x-3

hope it helps you