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.

For what value of x and y, the complex numbers. 9 y^(2)-4-10 x i and 8 y^(2)+20 i^(7) are conjugate to each other

If the complex numbers sinx + i cos2x and cosx- i sin2x are conjugate to each other, then x is equal to

sin x+i cos 2 x and cos x-i sin 2 x are conjugate to each other for,

Find the value of x and y,if (x+2y)+i(2x-3y) is the conjugate of 5+4i .

Find the real numbers x and y if (x-iy) (3+5i) is the conjugate of -6 - 24 i .

If 3+i x^(2) y and x^(2)+y+4 i are conjugate complex numbers then x^(2)+y=

If x and y are real numbers such that x gt y and |x| gt |y| , then :

The value of k for which the circles x^2 - y^2 + 3x - 7y +k = 0 and x^2 + y^2 - 4x + 2y - 14 = 0 would intersect orthogonallys

The value of k for which the circles x^2 + y^2 - 3x + ky - 5 = 0 and 4x^2 + 4y^2 - 12x - y - 9 = 0 become concentric is:

Let x, y in R then x+i y is a non real complex number is