JEE Main & Advanced Sample Paper JEE Main Sample Paper-41

  • question_answer
    The inequality \[|z-4|<|z-2|\]represents the region given by

    A)  \[\operatorname{Re}(z)\ge 0\]                       

    B)  \[\operatorname{Re}(z)<0\]

    C)  \[\operatorname{Re}(z)>0\]             

    D)  None of these

    Correct Answer: D

    Solution :

    We know that \[|z-{{z}_{1}}|>|z-{{z}_{2}}|\] represents the region on right side of perpendicular bisector of\[{{z}_{1}}\] and \[{{z}_{2}}\]. Thus, the given inequality \[|z-2|>|z-4|\]represents) the region on right side of perpendicular bisector of 2 and 4. \[\Rightarrow \]Re (z) > 3 and Im(z) \[\in \]R


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