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

Product of real roots of the equation x^(2)+|x|+9=0

Roots of the equation x^(4)-2x^(2)+4=0 forms a

The product of all the roots of the equation x^(2)-|x|-6=0 is

If the product of the roots of the equation 2x^2 + ax + 4 sina = 0 is 1, then roots will be imaginary, if

If the product of the roots of the equation x^(2) - 5 kx + 2e^(4"Ink") - 1 = 0 is 31, then sum of the root is

The product of two roots of the equation x^2 - 7x + 3 = 0 is ____

Determine the sum of imaginary roots of the equation (2x^2+x-1) (4x^2+2x-3)=6

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