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§ Coordinate Geometry · Circle

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Coordinate GeometryCircleOnly One CorrectEasy

Q2.Let

P

be the point on the parabola

y=x^{2}

such that the slope of the tangent to the parabola at the point

P

4

. Let

Q

be the point in the first quadrant lying on the circle

x^{2}+y^{2}=2

such that the slope of the tangent to the circle at the point

Q

-1

. Let

R

be the point in the first quadrant lying on the ellipse

x^{2}+4y^{2}=8

such that the slope of the tangent to the ellipse at the point

R

-\frac{1}{2}

. Then the radius of the circle passing through the points

P,Q

and

R

citeJEE Advanced · 2026 · Paper 1

2026id · 384f1efb