For a bi quadratic equation if the roots are in A.P. then they are taken as

" For a cubic equation when the roots are in A.P then they are taken as "

For a cubic equation when the roots are in G.P. Then they are taken as -

Formation of quadratic equations with given roots

One root of a quadratic equation is 2 and the sum of the roots is 0. then the equation is:

If the roots of a quadratic equation are -1 and 3, then the quadratic equation is

If the A.M. and G.M. of the roots of a quadratic equation in x are P and q respectively then the equation is