The equation whose roots are reciprocals of the roots of `x^4 + 3x^3 - 6x^2 + 2x - 4= 0` is

The equation whose roots are the reciprocal of the roots of x^(4)+3x^(3)+6x^(2)+2x+4=0 is

The equation whose roots are reciprocals of the roots of the equation x^(3)-2x^(2)+6x+4=0

Find the quadratic equation whose roots are reciprocals of the roots of the equation 7x^(2) - 2x +9 = 0 .

The equation whose roots are reciprocals of the roots of the equation f(x)=0 is

The equation whose roots are cubes of the roots of x^(3)+3x^(2)+2=0 is

The equation whose roots are 2 times the roots of x^(3)+3x^(2)-5x+1=0 is

The equation whose roots are twice the roots of the equation x ^(2) - 2x + 4 = 0 is

The cubic equation whose roots are the squares of the roots of x^(3)-2x^(2)+10x-8=0

The cubic equation whose roots are thrice to each of the roots of x^(3)+2x^(2)-4x+1=0 is