If n is any integer,then (i)n is
i
1,-1
i,-i
1,-1,i,-i
The conjugate of (6 + 5i)2 is
11 - 60 i
- 11 - 60 i
11 + 60 i
- 11 + 60 i
Express in the form b or bi, where b is a real number.
-i
2i
- 2i
5/i3 =
5/i
5i
5
-5
The sum of the three cube roots of unity is
1
-1
0
ω
7
7 i
-7
- 7i
i38 =
If conjugate and reciprocal of a complex number z = x + iy are equal , then
x + y = 1
x2 + y2 = 1
x = 1 and y = 0
x = 0 and y = 1
The product of three cube roots of unity is
ω2
ω27 = _________
