Means - A.M, G.M and H.M

Let A, G, and H are the A.M., G.M. and H.M. respectively of two unequal positive integers. Then, the equation Ax^(2) - Gx - H = 0 has

Let A,G and H be the A.M,G.M and H.M two positive numbers a and b. The quadratic equation whose roots are A and H is

Which one of the following is true about A.M. , G.M. and H.M. :

H.P and relation || Question on A.M,G.M & H.M.

If A, G & H are respectively the A.M., G.M. & H.M. of three positive numbers a, b, & c, then equation whose roots are a, b, & c is given by