the value of ( 2 i ) is
7
The conjugate of the complex number ( 5 - 2 i )
2
is
The multiplicative inverse of the complex number, 2 - 3 i is
Expressing
in the form a + i b , we get
If Z = - 5 i - 12 , the modulus of Z will be
(1 - i )
4
is equal to
The roots of the equation
are
If Z = 1 + 3 i , the value of
is equal to
If Z =
a + i b
b - i a
, then Re( Z ) will be
The argument of
is
is equal to
If Z is any complex number ,
Z
Z
will be equal to
If
a + i b
c + i d
= x + i y , then x + y is equal to
2 2
With reference to the Real and imaginary axes , the complex numbers
represent the vertices of
If Z =
, then Arg Z
is equal to
Which of the quadrants in the Argand diagram does the point
represented by 1 + 2 i lie ?
1 - i
The real part of ( 2 + 3i)(2 - 3i)(1 + i )
2
The polar form of the complex number 0 + 5 i is
(angles shown in the choices are in degrees)
The least integer value that stands for x in the equation ,
is .............