1.

Two lines 4x+2y=10 and 2x−y=20 are touching a circle whose radius is √5 units. Then the equation of the circle which is nearest to the x-axis, is

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Two lines 4x+2y=10 and 2xy=20 are touching a circle whose radius is 5 units. Then the equation of the circle which is nearest to the x-axis, is



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