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If 4a^2-5b^2+6a+1=0 and the line ax+by+...

If ` 4a^2-5b^2+6a+1=0` and the line `ax+by+1=0` touches the fixed circle then (a) Centre of circle at (3,0) (b) radius of circle is sqrt(5) (c) radius of circle is sqrt(3) (d) circle passes through (1,1)

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