The quadratic equation `p(x)=0` with real coefficients has purely imaginary roots. Then the equation `p(p(x))=0` has only purely imaginary roots at real roots two real and purely imaginary roots neither real nor purely imaginary roots

The quadratic equation p(x)=0 with real coefficients has purely imaginary roots.Then the equation p(p(x))=0 has A.only purely imaginary roots B.all real roots C.two real and purely imaginary roots D.neither real nor purely imaginary roots

The quadratic equation with real coefficients has one root 2i^(*)s

Find the quadratic equation with real coefficients which has (-5-i) as a root

The quadratic equation ax^(2)+bx+c=0 has real roots if:

If roots of the equation z^(2)+az+b=0 are purely imaginary then

The product of purely imaginary roots of the equation x^(4)+x^(2)-2=0 is

" The number of imaginary roots of the equation x^(2)+7x+2=0

The product of purely imaginary roots of the equation x^4+x^2−2=0 is

The quadratic equation 2x^(2) + x + 4 has ………real roots

Consider a quadratic equation az^(2)bz+c=0, where a,b and c are complex numbers. The condition that the equation has one purely imaginary root , is