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Find the relation if `z_1, z_2, z_3, z_4` are the affixes of the vertices of a parallelogram taken in order.

A

`z_(1)+z_(4)=z_(2)+z_(3)`

B

`z_(1)+z_(3)=z_(2)+z_(4)`

C

`z_(1)+z_(2)=z_(3)+z_(4)`

D

none of these

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The correct Answer is:
b
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