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

If the roots of 10x^(3)-nx^(2)-54x-27=0 are in harmonic oprogresion,then n eqauls

If the roots of 10x^(3)-cx^(2)-54x-270 are in harmonic progression,then find c and all the roots.

If the roots of 10 x^3-n x^2-54 x-27=0 are in harmonic progression, then n eqauls _________.

If the roots of 10 x^3-n x^2-54 x-27=0 are in harmonic progression, then n eqauls _________.

If the roots of 10 x^3-n x^2-54 x-27=0 are in harmonic progression, then n eqauls _________.

If the roots of 10 x^3-n x^2-54 x-27=0 are in harmonic progression, then n eqauls _________.

If the roots of 10 x^3-n x^2-54 x-27=0 are in harmonic oprogresion, then n eqauls _________.

If the roots of 10 x^3-n x^2-54 x-27=0 are in harmonic oprogresion, then n eqauls _________.

If the roots of the equation x^(3) + bx^(2) + cx + d = 0 are in arithmetic progression, then b, c and d satisfy the relation