Complex NumbersMedium
Question
If 
is always real, then locus of z is -
is always real, then locus of z is -Options
A.real axis
B.circle
C.imaginary axis
D.real axis or a circle
More Complex Numbers Questions
If z = 2 + 3 i, then the expression z4 - z3 + 10 z2 + 3 z - 5 reduces to a real number equal to:...The square root of 8 − 6i is -...Value of ′a′ for which there exists exactly one complex number ′z′ satisfying |z - 4| = 2 and z ...The least positive value of n for which is a positive integer is -...For all complex numbers z1, z2 satisfying |z1|=12 and |z2 - 3 - 4i | = 5, the minimum value of |z1 - z2 | is...