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and draw the solution in a complex plane.
. What is the distance of the number 
from the coordinate origin in the complex plane.
, 
, 
, 
, 
, 
and 
in the complex plane.
, 
, 
, 
,
and 
.
, 
, 
, 
and 
.
and 
are in the complex plane. Write them down and calculate 
and 
.
.
.
.
.
.
.
and 
.
.
in the complex plane.
for which the number 
is a real number.
. Compute all complex numbers 
for which 
and 
.
.
. Determine if the number 
lies in the given set.
and plot the solution in the complex plane.
in the complex plane.
.
and 
.
and plot the solution in the complex plane.
.
.
is 
?
is given.
does 
and 
applies?
. Calculate the coefficients a, b and c, so that the numbers 
are the solutions of this equation.
. Calculate the area of the region A. Leave your answer in the exact form.
from the set A and write it down in the form 
.
purely an imaginary number?
and the origin of the complex plane. Find the equation representing these points:
.
in the complex plane and calculate its absolute value. In the complex plane, draw the set 
.
. Write the number w in the form 
, where 
.
