1
JEE Advanced 2022 Paper 1 Online
Numerical
+3
-0
Let $$A B C$$ be the triangle with $$A B=1, A C=3$$ and $$\angle B A C=\frac{\pi}{2}$$. If a circle of radius $$r>0$$ touches the sides $$A B, A C$$ and also touches internally the circumcircle of the triangle $$A B C$$, then the value of $$r$$ is __________ .
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2
JEE Advanced 2021 Paper 2 Online
Numerical
+2
-0
Consider the region R = {(x, y) $$\in$$ R $$\times$$ R : x $$\ge$$ 0 and y2 $$\le$$ 4 $$-$$ x}. Let F be the family of all circles that are contained in R and have centers on the x-axis. Let C be the circle that has largest radius among the circles in F. Let ($$\alpha$$, $$\beta$$) be a point where the circle C meets the curve y2 = 4 $$-$$ x.
The radius of the circle C is ___________.
The radius of the circle C is ___________.
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3
JEE Advanced 2021 Paper 2 Online
Numerical
+2
-0
Consider the region R = {(x, y) $$\in$$ R $$\times$$ R : x $$\ge$$ 0 and y2 $$\le$$ 4 $$-$$ x}. Let F be the family of all circles that are contained in R and have centers on the x-axis. Let C be the circle that has largest radius among the circles in F. Let ($$\alpha$$, $$\beta$$) be a point where the circle C meets the curve y2 = 4 $$-$$ x.
The value of $$\alpha$$ is ___________.
The value of $$\alpha$$ is ___________.
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4
JEE Advanced 2020 Paper 2 Offline
Numerical
+3
-1
Let O be the centre of the circle x2 + y2 = r2, where $$r > {{\sqrt 5 } \over 2}$$. Suppose PQ is a chord of this circle and the equation of the line passing through P and Q is 2x + 4y = 5. If the centre of the circumcircle of the triangle OPQ lies on the line x + 2y = 4, then the value of r is .............
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Questions Asked from Circle (Numerical)
Number in Brackets after Paper Indicates No. of Questions
JEE Advanced Subjects
Physics
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