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 modulus and amplitude of are
√2 and π/6
1 and 0
1 and π/3
1 and π/4
The real part of the complex number is
1/5
-1/5
5
2/5
The imaginary part of is
4/5
0
-(4/5)
The real values of x and y for which the equation is satisfied (1-i) x + (1+i) y = 1-3 i
2, -1
-2, -1
-2, 1
2,1
The modulus of -2 + 4i is
5√2
5/√2
2√5
√5
If α and β are different complex numbers with |β| = 1 then is
3/2
1/2
1
The smallest positive integer n for which (1+i)2n = (1-i)2n is
2
3
4
Write real and imaginary parts of 3/2 i
Re(Z) = 3 Im(Z) = 2 i
Re(Z) = 0 Im (Z) = 3/2
Re(Z) = 3 i Im (Z) = 2
None of these
