Let x( x-a) + y (y-1) =0 be a circle. I...

Let x( x-a) + y (y-1) =0 be a circle. If two chords from (a,1) bisected by X-axis are drawn to the circle then the condition is

`a^(2)=8`

`a^2 lt 8`

`a^2 gt 8`

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