Solved papers for JEE Main & Advanced JEE Main Paper (Held on 7 May 2012)

done JEE Main Paper (Held on 7 May 2012) Total Questions - 1

• question_answer1) If\[A=\left( \begin{matrix}    \alpha -1  \\    0  \\    0  \\ \end{matrix} \right),B=\left( \begin{matrix}    \alpha +1  \\    0  \\    0  \\ \end{matrix} \right)\]be two matrices, then \[A{{B}^{T}}\]is a non-zero matrix for |a| not equal to   JEE Main Online Paper (Held On 07 May 2012)
  A)
  2                                             
  done clear
  B)
                         0
  done clear
  C)
                         1     
  done clear
  D)
                         3
  done clear
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