If the roots of `x^(3) - kx^(2) + 14x - 8 = 0 ` are in G.P. then k =

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

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

If the roots of 3x^(3) - 26x^(2) + 52x - 24 = 0 are in G.P. then roots are

If the roots of kx^(3) -18x^(2) -36x + 8 =0 are in H.P, then k is

If the roots of x^(4) + 5x^(3) - 30x^(2) - 40x + 64 = 0 are in G.P. then the roots are

If the roots of x^4 - 8x^3 + 14 x^2 + 8x - 15=0 are in A.P then the roots are

If the roots of x^4 - 8x^3 + 14 x^2 + 8x - 15=0 are in A.P then the roots are

If the roots of the equation x^(3) - 7x^(2) + 14x - 8 = 0 are in geometric progression, then the difference between the largest and the smallest roots is

If the roots of the equation x^(3) - 7x^(2) + 14x - 8 = 0 are in geometric progression, then the difference between the largest and the smallest roots is