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The points z1, z2, z3, z4 in the complex...

The points `z_1, z_2, z_3, z_4` in the complex plane form the vertices of a parallelogram iff :

A

`z_1+z_2=z_3+z_4`

B

`z_1+z_3=z_2+z_4`

C

`z_1+z_3gtz_2+z_4`

D

none of these

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The correct Answer is:
B
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QUANTUM CAT-NUMBER SYSTEM-QUESTION BANK
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