KVPY Sample Paper KVPY Stream-SX Model Paper-2

  • question_answer
    \[\sqrt{-\,2+2\sqrt{-\,2+2\sqrt{-\,2+......\infty }}}\] is equal to:

    A) \[1\pm i\]                      

    B) \[-1\pm i\]

    C) \[\omega \] or \[{{\omega }^{2}}\]                    

    D) \[-\,\omega \] or \[{{\omega }^{2}}\]

    Correct Answer: A

    Solution :

    \[x=\sqrt{-\,2+2x}\]       \[{{x}^{2}}-2x+2=0\]


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