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# Area of traingle in the Argand plane

Prove that the area of a triangle whose vertices are the points $$z_1$$ , $$z_2$$, $$z_3$$ in the Argand plane is given by

$$\displaystyle \sum \frac{|z_2-z_3||z_1|^{2}}{4iz_1}$$

Note by Krishna Jha
4 years, 1 month ago