Solved papers for JEE Main & Advanced JEE Main Paper (Held On 9 April 2014)

done JEE Main Paper (Held On 9 April 2014) Total Questions - 1

• question_answer1) If a, b, c are non-zero real numbers and if the system of equations

  (a - 1) x = y + z

  (b - 1) y = z + x

  (c - 1) z = x + y

  has a non-trivial solution, then ab + bc + ca equals:   [JEE Main Online Paper ( Held On 09 Apirl  2014  )
  A)
  a + b + c                               
  done clear
  B)
  abc
  done clear
  C)
  1                                             
  done clear
  D)
  - 1
  done clear
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