KVPY Sample Paper KVPY Stream-SX Model Paper-16

  • 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 :

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


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