A) 10
B) 20
C) 30
D) 40
Correct Answer: B
Solution :
Area of the triangle on the argand plane formed by complex numbers \[-z,\,\,iz,\,\,z-iz=\frac{3}{2}|z{{|}^{2}}\] So, \[\frac{3}{2}|z{{|}^{2}}=600\Rightarrow |z{{|}^{2}}=400\] \[\Rightarrow |z|\,\,=20\]You need to login to perform this action.
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