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IfA(z1),B(z2),C(z3) and D(z4) be the ver...

If`A(z_1),B(z_2),C(z_3)` and `D(z_4)` be the vertices of the square ABCD then

A

`abs(z_3-z_1)=abs(z_4_z_2)`

B

(z_1-z_2)/(z_3-z_4) is purely real

C

(z_1-z_2)/(z_3-z_2)is purely imaginary

D

(z_1-z_3)/(z_2-z_4)is purely imaginary

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The correct Answer is:
A, B, C, D
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