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Homework Statement
Let [tex]\Omega[/tex] be a bounded domain in C whose boundary is a curve z = z(t), a<=t<=b, and let [tex]A(\Omega)[/tex] be the area of [tex]\Omega[/tex]. Prove that
[tex]A(\Omega) = \frac{1}{2}\int^b_a |z(t)|^2 Im(\frac{z'(t)}{z(t)})dt[/tex]
Homework Equations
The Attempt at a Solution
Not even sure where to start on this. Any tips?