Question

Find the quadratic.equation whose roots are twice the roots of 2x²-5x+2=0​

Answer 1

Answer:

Let α and β be the root of the given equation. Then,α+β=25and αβ=22=1∴2α+2β∴(α+β)∴5(2α)(2β)=4 So the required equation is:x2−5x+4=0

Answer 2

2x2-4x-1x+2

2x (x-2)-1 (x-2)

(2x-1) (x-2)