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If z=[(sqrt(3)/2)+i/2]^5+[((sqrt(3))/2)-...

If `z=[(sqrt(3)/2)+i/2]^5+[((sqrt(3))/2)-i/2]^5` , then

a. `R e(z)=0`

b. `I m(z)=0`

c. `R e(z)>0`

d. `R e(z)>0,I m(z)<0`

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