Solved papers for JEE Main & Advanced JEE Main Paper (Held On 26 May 2012)

done JEE Main Paper (Held On 26 May 2012) Total Questions - 1

• question_answer1) The middle term in the expansion of \[{{\left( 1-\frac{1}{x} \right)}^{n}}{{\left( 1-x \right)}^{n}}\] in powers of x is.   JEE Main Online Paper (Held On 26-May-2012)  
  A)
  \[{{-}^{2n}}{{C}_{n-1}}\]                              
  done clear
  B)
                         \[{{-}^{2n}}{{C}_{n}}\]
  done clear
  C)
                         \[^{2n}{{C}_{n-1}}\]                       
  done clear
  D)
                         \[^{2n}{{C}_{n}}\]
  done clear
  View Answer play_arrow