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NTSE Sample Paper NTSE SAT Practice Test-15

  • question_answer
    If \[a=0.1039\], then the value of \[\sqrt{4{{a}^{2}}-4a+1+3a}\]

    A) 0.1039             

    B)        0.2078

    C) 1.1039       

    D)        2.1039

    Correct Answer: C

    Solution :

    [c] \[\because \,\,a<1,\,\,so\,\,\sqrt{4{{a}^{2}}-4a+1}=(1-2a)\] \[\therefore \] Given expression \[=1-2a+3a=1+a\] \[=~1.1039\]    


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