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NTSE Sample Paper NTSE SAT Practice Test-9

  • question_answer
    The expression \[\frac{1}{x-1}-\frac{1}{x+1}-\frac{2}{{{x}^{2}}+1}-\frac{4}{{{x}^{4}}+1}\] simplifies to

    A) \[\frac{8}{{{x}^{7}}+1}\]                  

    B) \[\frac{8}{{{x}^{7}}-1}\]

    C) \[\frac{8}{{{x}^{8}}+1}\]

    D) \[\frac{8}{{{x}^{8}}-1}\]

    Correct Answer: C

    Solution :

    [c] Start with a group of two terms.                      


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