SOLUTION: If z1 and z2 are two complex numbers with |z1|=|z2| ,then which of the following are true. 1. Z1=z2 2 real part of z1=real part of z2 3.imaginary part of z1=imaginary part of z2

Algebra.Com
Question 1074759: If z1 and z2 are two complex numbers with |z1|=|z2| ,then which of the following are true.
1. Z1=z2
2 real part of z1=real part of z2
3.imaginary part of z1=imaginary part of z2

Found 2 solutions by Edwin McCravy, Fombitz:
Answer by Edwin McCravy(20056)   (Show Source): You can put this solution on YOUR website!
None of those choices are correct.  Here is a counter-example:

,  


,  

,  

,  

,  

So  

 is true.

However, they are not equal, their real parts are not equal,
and their imaginary parts are not equal.  So none of those
choices are true.  Be sure to point this out to your
teacher.

Edwin

Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!
If and and

Then,


...
..
.
1. and , not necessarily
2. , not necessarily
3. , not necessarily

RELATED QUESTIONS

z1 and z2 are two complex numbers. if |z1+z2|=|z1|+|z2| then show that... (answered by venugopalramana)
If z1 and z2 are complex numbers and |z2| = 4 , |z1|+ i×|z2|= 3 + 4i , then value of |z2 (answered by ikleyn)
If z1 , z2 are two complex numbers , |z1|=|z2| , and Arg(z1 + z2) = pi/4 ,find... (answered by ikleyn)
if z1,z2,z3, are the vertices of equilateral triangle then show that... (answered by venugopalramana)
Let z1 and z2 be two complex numbers such that |z1| = 5 and z1/z2 + z2/z1 = 0. Find |z1... (answered by CPhill,ikleyn)
prove that if z1 z2 z3 are complex numbers on the unit circle such that z1+z2+z3=0, then... (answered by greenestamps)
Three complex numbers z1,z2,z3 are such that z1+z2+z3=0 and |z1|=|z2|=|z3|.prove that... (answered by ikleyn)
in complex plane, what is the distance of two complex numbers Z1=-i and... (answered by fractalier)
the modulus or absolute value of a complex numbers: if z2=4+3i and z2=-2+3i (answered by stanbon)