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Cauchy-Riemann equations

  • Thread starter ak123456
  • Start date
  • #1
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Homework Statement


Using Cauchy-Riemann equations show that f(z)=Re(z)Im(z)+i Im(z) is differentiable at only one point in C and find this point

Homework Equations





The Attempt at a Solution


no idea about this question , can i set Re(z)=u Im(z)=v
then U=uv V=v
and the point is o ???
 

Answers and Replies

  • #2
dx
Homework Helper
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If z = x + iy, then Re(z) = x and Im(z) = y.
 

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