If (x + i y)1/3 = 2 + 3 i, then 3 x + 2 y is equal to
-20
-60
-120
60
then x + y is equal to
-2/5
6/5
2/5
-6/5
Let z1 be a complex number with |z1| = 1 and z2 be any complex number, then
0
1
-1
2
If z is a complex number such that Re(z) = Im (z), then
Re (Z2) = 0
Im (z2) = 0
Re (z2) = Im (z2)
z2 = 0
The modulus of is
√2
3
√3
If , then is (where is complex conjugate of z).
2 (1 + i)
(1+i)
The smallest positive integer n for which (1+i)2n = (1-i)2n is
4
The real part of the complex number is
1/5
-1/5
5
Find the real and imaginary part of (2+i) (3-2 i)
8,1
-8,1
8,-1
-8,-1
If α and β are different complex numbers with |β| = 1 then is
3/2
1/2
