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11th Class Mathematics Sample Paper Maths Olympiad Model Paper-6

  • question_answer
    If \[z={{\left( \frac{\sqrt{3}}{2}+\frac{i}{2} \right)}^{5}}+{{\left( \frac{\sqrt{3}}{2}-\frac{i}{2} \right)}^{5}},\] then

    A)  Re(z) = 0                     

    B)  lm(z)=0

    C)  Re(z) > 0,lm(z) > 0       

    D)  Re(z) > 0, lm(z) < 0

    E)  None of these

    Correct Answer: B

    Solution :

     Not Available


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