The complex conjugate of 2 + i√7 is
2 + √7
2 + i√7
2-i√7
2 ± i√3
Express in the standard form of (a+ib):
None of these
The additive inverse of 1 - i is
0 + 0i
-1 + i
The argument of the complex number is
π/3
π/4
π/5
π/6
If Z3 = -1/2 + √3/2 i, then the conjugate of (Z3)4 is.
If Z = r (cos θ + i sin θ), then the value of is
cos 2 θ
2 cos 2θ
2 cos θ
2 sin θ
The conjugate of a complex number is . Then, that complex number is
Write as a complex number.
If α and β are different complex numbers with |β| = 1 then is
0
3/2
1/2
1
If Z1 = √2 ( cos π/4) and z2 = √3 (cos π/3 + i sin π/3 ) then |z1z2| is
6
√2
√6
√3
