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if the complex no `z_1 , z_2 and z_3 ` represents the vertices of an equilateral triangle such that `|z_1| = | z_2| = | z_3| ` then relation among `z_1 , z_2 and z_3 `

A

`z_(1) + z_(2) + z_(3) = 0`

B

`z_(1) + z_(2) - z_(3) = 0`

C

`z_(1) - z_(2) + z_(3) = 0`

D

`z_(1) + z_(2) + z_(3) ne 0`

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A
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MCGROW HILL PUBLICATION-COMPLEX NUMBERS -SOLVED EXAMPLES LEVEL 1
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  18. The real part of z = (1)/(1-cos theta + i sin theta) is

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