If | z2 - 1 | = | z |2 + 1 , then z lies on
A circle
An ellipse
Real axis
Imaginary axis
The polar form of complex number 1 - i is
Which of the following is not applicable for a complex number ?
Addition
Subtraction
Division
Inequality
The complex number 1 + 2i/1 - i lies in
First quadrant
Second quadrant
Third quadrant
Fourth quadrant
If arg , then locus of this complex number is
Straight line
Circle
Parabola
Ellipse
The value of (i)243 is equal to
i
-i
-1
1
The values of x and y, if 2x + 4i y = -i3 x - y + 3 are
1/3, 4/3
4/3, 1/3
2/3, 1/3
1/3, 2/3
The value of (1 + i)8 + (1 - i)8 is
16
22
32
-32
If ∝ and β be the roots of the equation (x - a) (x - b) = c, c ≠ 0, then the roots of the equation (x - ∝)(x - β) + c = 0 are
a and c
b and c
a and b
(a + b) and (b + c)
The value of (i)243 is equal to _________
