Let then
z is purely imaginary
z is purely real
z is purely real
Properties of Argument of a Complex Number -
- wherein
Arg(z) denotes Argument of z and denotes conjugate of z
Option 1)
This is incorrect
Option 2)
This is incorrect
Option 3)
z is purely imaginary
This is incorrect
Option 4)
z is purely real
This is correct
Study 40% syllabus and score up to 100% marks in JEE