Mathematics

$i^2$ = -1 is the _________ notation for the imaginary unit number.

A complex number is an expression of the form x+yi where x,y ∈ ________.

Set of real numbers is a subset of _________

Set of complex numbers is denoted by

Part of complex number which is along y-axis is called

If real part of complex number is zero then it is called

If (2+3i)x + (1+3i)y + 2 = 0, then value of x and y

Conjugate of a complex number is its mirror image about

Modulus of complex number is the distance of point (x,y) from

If $z_1=2-3i$ and $|z_1{z}_2|=13$ then the value of $|-z_2|$ is

For any two complex numbers $z_1,z_2$ which of the following can be true?

If $z=3+4i$ then $\mathrm{Im}(z)$ is

 = -1 is the _________ notation for the imaginary unit number.

A complex number is an expression of the form x+yi where  
 

If  then  is
 

i+i² + i³ + i⁴ +......+i²⁰ =

(-1) ^-13/2  =

Set of complex numbers is denoted by 

If z₁ =2+i  and z₂ =4-3i  then z₁z₂= ?

If z=5-4i  then  =