The line \(2 x-y+1=0\) is a tangent to the circle at the point \((2,5)\) and the centre of the circle lies on \(x-2 y=4\…
Q1
The line \(2 x-y+1=0\) is a tangent to the circle at the point \((2,5)\) and the centre of the circle lies on \(x-2 y=4\). Then, the radius of the circle is:
[JEE Main 2021, 17 Mar (Shift 1)]
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