Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
The solution of the equation
∣
z
∣
−
z
=
1
+
2
i
|z| - z = 1 + 2i
∣
z
∣
−
z
=
1
+
2
i
, where
i
=
−
1
i = \sqrt{-1}
i
=
−
1
, is a.
2
−
3
2
i
2 - \frac{3}{2}i
2
−
2
3
i
b.
3
2
+
2
i
\frac{3}{2} + 2i
2
3
+
2
i
c.
3
2
−
2
i
\frac{3}{2} - 2i
2
3
−
2
i
d.
−
2
+
3
2
i
-2 + \frac{3}{2}i
−
2
+
2
3
i
Browse the problem library