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
Express in the standard form .
1-3i
1+ 3i
-1-3i
None of these
The conjugate of a complex number is . Then, that complex number is
If x = 3 + i, then x3 - 3 x2 - 8 x + 15 is equal to
6
10
45
-15
Find the real and imaginary part of (2+i) (3-2 i)
8,1
-8,1
8,-1
-8,-1
Write 3-√-7 as complex number
3 + i√-7
3-i√7
-3+i √7
-3-i √7
The argument of the complex number is
π/3
π/4
π/5
π/6
then x + y is equal to
-2/5
6/5
2/5
-6/5
The amplitude of is
2 π/3
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
