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JEE Main & Advanced Mathematics Circle and System of Circles Question Bank Numerical Value Type Questions - Circle

  • question_answer
    If the equation \[\lambda {{x}^{2}}+\left( 2\lambda -3 \right){{y}^{2}}-4x-1=0\] represents a circle whose radius is \[\frac{\sqrt{7}}{k}\] then find k.

    Answer:

    3.00


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