11th Class Mathematics Sample Paper Maths Olympiad Model Paper-5

  • question_answer
    The lines \[x+y=\left| a \right|\] and \[ax-y=1\] intersect each other in the first quadrant. Then, the set of all possible values of a is the interval

    A)  \[\left( -\,1,1 \right]\]                  

    B)  (0,\[\infty \])

    C)  [1,\[\infty \])

    D)  \[(-1,\infty )\]

    E)  None of these

    Correct Answer: C

    Solution :

     Not Available               


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