[" 49.Given "z" is a complex number with modulus "1" .Then the "],[" equation "((1+ia)/(1-ia))^(4)=z" has "]

Given z is a complex number with modulus 1. Then the equation [(1+ia)/(1-ia)]^(4)=z has all roots real and distinct two real and two imaginary three roots two real and two real and three imaginary

If z is a complex number of unit modulus and argument theta , then arg((1+z)/(1+bar(z))) equals to

If z is a complex number of unit modulus and argument theta , then arg((1+z)/(1+bar(z))) equals to

If z is a complex number of unit modulus and argument theta , then arg((1+z)/(1+barz)) equals

If z is a complex number of unit modulus and argument theta then, arg ((1+z)/(1+zbar)) equals:

If z is a complex number of unit modulus and argument theta then arg((1+z)/(1+zbar)) equals

If z is complex number of unit modulus and argument theta,"then arg " (1+z)/(1+z) equals-