Polynomials related Questions by Balaji

  • 8August
  • 2014
  • 12
    6.1k
    1/1*4+1/2*5+1/3*6+1/4*7......1/63*66............... 



    a) 9/17



    b) 7/15



    c) 11/18



    d) 92/173







    answer choice c



    solution



    =1/3 [(1-1/4)+(1/2-1/5)+(1/3-1/6)+...(1/63-1/66)]

    =1/3*11/6

    =11/18


     



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