The area of the triangle with vertices \( A(z), B(i z) \) and \( C(z+ \) \( i z) \) is :
(a) \( ...
The area of the triangle with vertices \( A(z), B(i z) \) and \( C(z+ \) \( i z) \) is :
(a) \( (1 / 2)|z+i z|^{2} \)
(b) 1
(c) \( 1 / 2 \)
(d) \( (1 / 2)|z|^{2} \)
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