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     EduGorilla 
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    The value of k, for which the circles x2 + y2 – 3x + ky – 5 = 0 and 4x2 + 4y2 – 12x – y – 9 = 0 become concentric, is

    Options :-

    1. 1/8
    2. – 1/8
    3. 1/4
    4. – 1/4
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Reply To: The value of k, for which the circles x2 + y2 – 3x + ky – 5 = 0 and 4×2 + 4y2 – 12….
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