If the equation `x^(4)+px^(3)+qx^(2)+rx+5=0` has four positive real roots, find the maximum value of `pr`.

if the equation x^(4)-4x^(3)+ax^(2)+bx+1=0 has four positive roots, then find a.

If x^4+px^3+qx^2+rx+5=0 has four positive roots,then the minimum value of pr is equal to

Given that 2 is a root of the equation 3x^(2)-p(x+1)=0 and that the equation px^(2)-qx+9=0 has equal roots, find the values of p and q.

If -4 is a root of the equation x^(2)+px-4=0 and if the equation x^(2)+px+q=0 are equal roots, find the values of p and q.

Given that 2 is a root of the equation 3x^(2)-p(x+1)=0 and that the equation px^(2)-qx+9=0 has equal roots,find the values of p and q

If -4 is a root of the equation x^(2)+px-4=0 and the equation x^(2)+px+q=0 has equal roots, then the value of q is

If the equations px^(2)+qx+r=0 and rx^(2)+qx+p=0 have a negative common root then the value of (p-q+r)=

If the equation x^(3)+px^(2)+qx+1=0(p