Polynomials related Questions by Balaji

  • 8August
  • 2014
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    BalajiSenior Member
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    08-08-2014, 11:15 PM Düzenlendi #2
    3/4+5/36+7/144+9/400......19/8100 = ?



    a) 9/10



    b)11/18



    c)99/100



    d)80/81


    answer choice c

    solution



    t= 2n+1/n^2(n+1)^2



      =1/n^2 - 1/(n+1)^2



    whic is nothing but



    (1/1^2)-(1/10^2)



    99/100


     

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    Polynomials related question phase-2 - by Balaji - 08-08-2014, 11:15 PM
    Polynomials related question phase-3 - by Balaji - 08-08-2014, 11:21 PM
    Polynomials related question phase-4 - by Balaji - 08-08-2014, 11:26 PM
    Probability related question phase-1 - by Balaji - 08-08-2014, 11:47 PM
    Polynomials related question phase-8 - by Balaji - 08-08-2014, 11:56 PM