[" If the roots of the equation "],[10x^(3)-cx^(2)-54x-27=0" are in H.P.,then "],[" 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 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 x^(3)-11x^(2)+36x-36=0 are in H.P.then the middle root is

If the roots of the equation 6x^3-11x^2+6x-1 =0 are in H.P., then the roots are

If the roots of the equaion x^(4)-12x^(3)+cx^(2)+dx+81=0 are positive then the value of c is The value of d is.Roots of the equation 2cx+d=0 is

If the roots of the equation x^3 + bx^2 + cx - 1=0 form an increasing G.P, then

If the roots of the equation x^(3) + bx^(2) + 3x - 1 = 0 form a non-decreasing H.P., then

If the roots of the equation x^(3) + bx^(2) + 3x - 1 = 0 form a non-decreasing H.P., then