The real value of a for which `x^2+i(a-1)x+5=0 `will have a pair of conjugate complex roots is

Find the real values of x and y for which z_(1)=9y^(2)-4-10ix and z_(2)=8y^(2)-20i are conjugate complex of each other.

The smallest integral value of a for which the equation x^(3)-x^(2)+ax-a=0 have exactly one real root,is

Is there any real value of ' a ' for which the equation x^2+2x+(a^2+1)=0 has real roots?

Is there any real value of 'a' for which the equation x^(2)+2x+(a^(2)+1)=0 has real roots?

Find real values of x and y for which the complex numbers -3+i x^2y and x^2+y+4i are conjugate of each other.

Find real values of x and y for which the complex numbers -3+i x^2y and x^2+y+4i are conjugate of each other.

Find real value of x and y for which the complex numbers -3+i x^2y and x^2+y+4i are conjugate of each other.

Find real value of x and y for which the complex numbers -3+i x^2y and x^2+y+4i are conjugate of each other.

Find real value of x and y for which the complex numbers -3+i x^2y and x^2+y+4i are conjugate of each other.

Find the values of k for which (2k+1)x^2+2(k+3)x+(k+5)=0 has real and equal roots.