[" 2.If the roots of "x^(3)-12x^(2)+39x+k=0],[" are in A.P then "K=]

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

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

If the roots of 2x^(3) - 3x^(2) + kx + 6 = 0 are in A.P then k =

If the roots of x^(3) - 14x^(2) + 56x + k = 0 are in G.P. then k =

If the roots of x^(3)-7x^(2)+14x+k=0 are in G.P.,then k=

If the roots of x^(3)-12x^(2)+39x+k=0 are in A.P.then k=(i)28(ii)-28( iii) 18( iv )-18

If the roots of the equation x^(3)-12x^(2)+39x+k=0 are in A.P., then k (i) 28(ii)-28 (iii) 18(iv)-18

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

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)-12x^(2)+39x-28=0 are in AP,then their common difference is are in AP,then