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     EduGorilla 
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    The radius of the circle passing through the centre of the circle 2x2 + 2y2  8x + 10y  7 = 0 and which is concentric with the circle 2x2 + 2y2  8x  12y  9 = 0, is

    Options :-

    1. 8
    2. 14
    3. 2
    4. none of these
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Reply To: The radius of the circle passing through the centre of the circle 2×2 + 2y2 – 8x + 10y – 7….
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