Question

Find a cubic polynomial whose zeros are 3, ½ and -1

Answer 1

Answer:

x^3-x^2(3+1/2+-1)+x(3×1/2+2×-1+-1×3)-3×1/2×-1

=x^3-x^2(5/2)+x(-2)+3/2

=x^3 -5/2x^2-2x+3/2