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11th Class Mathematics Sample Paper Maths Olympiad Model Paper-4

  • question_answer
    If \[x+iy=\frac{3}{2+\cos \theta +\sin \theta },\] then \[{{x}^{2}}+{{y}^{2}}\]equal to

    A)  \[3x-4\]            

    B)  \[4x-3\]

    C)  \[4x+3\]                      

    D)  \[3x+4\]

    E)  None of these

    Correct Answer: B

    Solution :

     Not Available


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