If the roots of `x^(4)+qx^(2)+kx+225=0` are in arthmetic progression, then the value of `q`, is

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

Given that the roots of x^(3) + 3px^(2)+3qx+r=0 are in harmonic progression Then,

If roots of x^(4) + qx^(2) + kx + 225 = 0 are in A.P., then value of q is :- (q in I) :

If the roots of the equation x^3 +3px^2 + 3qx -8=0 are in a geometric progression , then (q^3)/( p^3) =

If the roots of the equation x^3 +3px^2 + 3qx -8=0 are in a geometric progression , then (q^3)/( p^3) =

If the roots of the equation x^(3)+3px^(2)+3qx-8=0 are in a Geometric progression then (q^(3))/(p^(3))=

If the roots of the equation x^5-40x^(4)-px^(3)+Qx^2-Rx-S=0 are in geometric progression and the sum of the reciprocals of the roots is 10,then |S|=