Solved papers for JEE Main & Advanced JEE Main Paper (Held On 12 April 2014)

done JEE Main Paper (Held On 12 April 2014) Total Questions - 1

• question_answer1) If \[\left| \begin{matrix}    {{a}^{2}} & {{b}^{2}} & {{c}^{2}}  \\    {{(a+\lambda )}^{2}} & {{(b+\lambda )}^{2}} & {{(a+\lambda )}^{2}}  \\    {{(a-\lambda )}^{2}} & {{(b-\lambda )}^{2}} & {{(c+\lambda )}^{2}}  \\ \end{matrix} \right|=\] \[k\lambda \left| \begin{matrix}    {{a}^{2}} & {{b}^{2}} & {{c}^{2}}  \\    a & b & c  \\    1 & 1 & 1  \\ \end{matrix} \right|,\lambda \ne 0\]then k is equal to:   [JEE Main Online Paper ( Held On 12 Apirl  2014 )
  A)
  \[4\lambda abc\]                            
  done clear
  B)
  \[-4\lambda abc\]
  done clear
  C)
  \[4{{\lambda }^{2}}\]                    
  done clear
  D)
  \[-4{{\lambda }^{2}}\]
  done clear
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