" The roots of the equation "x^(3)-14x^(2)+56x-64=0" are in progression "

The roots of the equation x^3 -14 x^2 + 56 x -64 =0 are in

The roots of the equation x^(3)+14x^(2)-84x-216=0 are in

If the roots of the equation 7x^(3)-4x^(2)+k=0 are in arithmatic progression then find the value of k

the roots of the cubic equation x^(3)+14x^(2)-84x-216=0 are in:

The roots of the equation 2x^(2)+14x+9=0 are

It is known that the roots of the equation x^3-6x^2-4x+24=0 are in arithmetic progression. Find its roots.

If the roots of the equation 10x^(3)-cx^(2)-54x-27=0 are in harmonic progression the value of c is

If the roots of the equation 10x^(3)-cx^(2)-54x-27=0 are in harmonic progression the value of c is

If roots of equation 8x^(3)-14x^(2)+7x-1=0 are in geometric progression,then toots are

If the roots of the equation 4x^(3)-12x^(2)+11x+k=0 are in arithmetic progression, then k is equal to