If the roots of the equation `x^3-12x^2 +39x -28 =0` are in AP, then their common difference is

If the roots of the equation x^(3)-12x^(2)+39x-28=0 are in AP, then their common difference will be

If the roots of the equation x^3-12 x^2+39 x-28=0 are in A.P. then common difference will be +-1 b. +-2 c. +-3 d. +-4

If the roots of the equation x^3-12 x^2+39 x-28=0 are in A.P. then common difference will be +-1 b. +-2 c.+-3 d. +-4

If the roots of the equation x^3 -9x^2 + 23x-15=0 are in A.P then common difference of that A.P is

If the roots of the equation x^3 -9x^2 + 23x-15=0 are in A.P then common difference of that A.P is

If the roots of the equation 4x^(3)-12x^(2)+11x+k=0 are in A.P.Then K=

The roots of the equation 9x^2-12x+20=0 are

Solve if the roots of x^3-12x^2+39x-28=0 are in AP.

If the roots of x^(3)-9x^(2)+23x-15=0 are in A.P.then the common difference of A.P is