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If z= e^((2pi i)/(3)), then 1+z+3z^(2)+2...

If `z= e^((2pi i)/(3))`, then `1+z+3z^(2)+2z^(3)+2z^(4)+3z^(5)` is equal to

A

`-3e^((pi i)/(3))`

B

`3e^((pi i)/(3))`

C

`3e^((2pi i)/(3))`

D

`-3e^((2pi i)/(3))`

Text Solution

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The correct Answer is:
A
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