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JEE Main & Advanced Mathematics Conic Sections Question Bank Parabola

  • question_answer
    The focus of the parabola \[{{x}^{2}}=-16y\] is  [RPET 1987; MP PET 1988, 92]

    A)            (4, 0)                                         

    B)            (0, 4)

    C)            (?4, 0)                                       

    D)            (0, ?4)

    Correct Answer: D

    Solution :

               \[a=4,\]vertex \[=(0,0)\], focus \[=(0,-4)\] .


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