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If 3^(49)(x+i y)=(3/2+(sqrt(3))/2i)^(100...

If `3^(49)(x+i y)=(3/2+(sqrt(3))/2i)^(100)` and `x=k y` then `k` is: a.`-1//3` b. `sqrt(3)` c. `-sqrt(3)` d.`-1/(sqrt(3))`

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