Solved papers for JEE Main & Advanced JEE Main Paper (Held On 25 April 2013)

done JEE Main Paper (Held On 25 April 2013) Total Questions - 1

• question_answer1)                 Consider the system of equations:                 \[x+ay=0,\]\[y+az=0\]and\[z+ax=0\]. Then the set of all real values of ?a? for with the system has a unique solution is:     JEE Main Online Paper ( Held On 25  April 2013 )
  A)
                  \[R-\{1\}\]                          
  done clear
  B)
                                         \[R-\{-1\}\]
  done clear
  C)
                                         \[\{1,-1\}\]                         
  done clear
  D)
                                         \[\{1,0,-1\}\]
  done clear
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