Question

11. Write cubic polynomial whose zeroes are 2+5root/2,2-5root ,4​

Answer 1

ANSWER

given roots are 3,5,−2

therefore the cubic equation with above roots are (x−3)(x−5)(x−2)

simplifying it we get

(x−3)(x−5)(x+2)=(x

2

−8x+15)(x+2)=x

3

−6x

2

−x+30