The complex number when represented in the Argand diagram is
In the second quadrant
In the first quadrant
On the Y- axis
On the X- axis
The modulus and amplitude of are
√2 and π/6
1 and 0
1 and π/3
1 and π/4
The amplitude of is
π/3
π/4
2 π/3
π/6
If Z1 = √2 ( cos π/4) and z2 = √3 (cos π/3 + i sin π/3 ) then |z1z2| is
6
√2
√6
√3
If (3+i) z = (3-i) , then the complex number z is.
a (3-i), a∈R
, a∈R
a(3+i), a∈R
a (-3 + ), a∈R
If (x + i y)1/3 = 2 + 3 i, then 3 x + 2 y is equal to
-20
-60
-120
60
The values of x and y satisfying the equation are
x = 1, y = 3
x = 3, y = -1
x = 0, y = 1
x = 1, y = 0
If Z3 = -1/2 + √3/2 i, then the conjugate of (Z3)4 is.
If x = 3 + i, then x3 - 3 x2 - 8 x + 15 is equal to
10
45
-15
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
