If is a complex number, then the minimum value of is _____.
1
0
1/2
None of the above
If and is a complex number such that then the value of is equal to _____.
Let and be the two non-zero complex numbers such that and . Then is equal to _____.
If and are complex numbers representing the vertices of two triangles such that and , where r is a complex number, then the two triangles _____.
Have the same area
Are similar
Are congruent
None of the above
If the complex numbers the origin form an equilateral triangle then _____.
If are the roots of unity, then equals _____.
0
1
/
Length of the line segment joining the points and is _____.
-5
15
5
25
If the area of the triangle formed by the points and iz on the complex plane is 18, then the value of is _____.
6
9
Which one of the following statement is true _____.