Question

Solve any two of the following.  

Form a quadratic equation whose roots are 4 and -12.

Answer 1

`α=4 and β =-12` 

∴ `α++β=4+(-12)=-8` 

 ` αβ=4xx(-12)=-48` 

`x^2-(α+β)x+αβ=0` 

`x^2-(-8)x+(-48)=0`

`x^2+8x-48=0`