Let a circle be given by 2x(x-a)+y(2y-b)...

Let a circle be given by `2x(x-a)+y(2y-b)=0,(a!=0,b!=0)` .
Find the condition on `a`and `b` if two chords each bisected by the x-axis, can be drawn to the circle from `(a , b/2)`

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The correct Answer is:

`=>a^(2)gt2b^(2)`

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