Area Involving Conic Sections or Circles

Question where the bounded region involves circles, parabolas defined as conic sections, or ellipses, often requiring integration with trigonometric or inverse trigonometric functions.

jee-advanced 2025 Q6 4 marks View
Let $S$ denote the locus of the mid-points of those chords of the parabola $y ^ { 2 } = x$, such that the area of the region enclosed between the parabola and the chord is $\frac { 4 } { 3 }$. Let $\mathcal { R }$ denote the region lying in the first quadrant, enclosed by the parabola $y ^ { 2 } = x$, the curve $S$, and the lines $x = 1$ and $x = 4$.
Then which of the following statements is (are) TRUE?
(A)$( 4 , \sqrt { 3 } ) \in S$
(B)$( 5 , \sqrt { 2 } ) \in S$
(C)Area of $\mathcal { R }$ is $\frac { 14 } { 3 } - 2 \sqrt { 3 }$
(D)Area of $\mathcal { R }$ is $\frac { 14 } { 3 } - \sqrt { 3 }$
jee-main 2012 Q79 View
The area bounded between the parabolas $x^{2} = \frac{y}{4}$ and $x^{2} = 9y$, and the straight line $y = 2$ is
(1) $20\sqrt{2}$
(2) $\frac{10\sqrt{2}}{3}$
(3) $\frac{20\sqrt{2}}{3}$
(4) $10\sqrt{2}$
jee-main 2016 Q71 View
The area (in sq. units) of the region $\{(x, y) : y^2 \geq 2x$ and $x^2 + y^2 \leq 4x, x \geq 0, y \geq 0\}$ is:
(1) $\pi - \frac{4\sqrt{2}}{3}$
(2) $\pi - \frac{8}{3}$
(3) $\pi - \frac{4}{3}$
(4) $\frac{\pi}{2} - \frac{2\sqrt{2}}{3}$
jee-main 2016 Q72 View
The area (in sq. units) of the region $\{(x,y): y^2 \geq 2x$ and $x^2 + y^2 \leq 4x, x \geq 0, y \geq 0\}$ is: (1) $\pi - \frac{4\sqrt{2}}{3}$ (2) $\pi - \frac{8}{3}$ (3) $\pi - \frac{4}{3}$ (4) $\frac{\pi}{2} - \frac{2\sqrt{2}}{3}$
jee-main 2020 Q66 View
The area of the region (in sq. units), enclosed by the circle $x ^ { 2 } + y ^ { 2 } = 2$ which is not common to the region bounded by the parabola $y ^ { 2 } = x$ and the straight line $y = x$, is
(1) $\frac { 1 } { 6 } (24 \pi - 1)$
(2) $\frac { 1 } { 3 } (6 \pi - 1)$
(3) $\frac { 1 } { 3 } (12 \pi - 1)$
(4) $\frac { 1 } { 6 } (12 \pi - 1)$
jee-main 2020 Q67 View
Area (in sq. units) of the region outside $\frac{|x|}{2} + \frac{|y|}{3} = 1$ and inside the ellipse $\frac{x^{2}}{4} + \frac{y^{2}}{9} = 1$ is
(1) $6(\pi - 2)$
(2) $3(\pi - 2)$
(3) $3(4 - \pi)$
(4) $6(4 - \pi)$
jee-main 2022 Q75 View
The area of the region bounded by $y ^ { 2 } = 8 x$ and $y ^ { 2 } = 16 ( 3 - x )$ is equal to
(1) $\frac { 32 } { 3 }$
(2) $\frac { 40 } { 3 }$
(3) 16
(4) 9
jee-main 2025 Q13 View
The area of the region, inside the circle $( x - 2 \sqrt { 3 } ) ^ { 2 } + y ^ { 2 } = 12$ and outside the parabola $y ^ { 2 } = 2 \sqrt { 3 } x$ is:
(1) $3 \pi + 8$
(2) $6 \pi - 16$
(3) $3 \pi - 8$
(4) $6 \pi - 8$
jee-main 2025 Q11 View
Let the area enclosed between the curves $| y | = 1 - x ^ { 2 }$ and $x ^ { 2 } + y ^ { 2 } = 1$ be $\alpha$. If $9 \alpha = \beta \pi + \gamma ; \beta , \gamma$ are integers, then the value of $| \beta - \gamma |$ equals.
(1) 27
(2) 33
(3) 15
(4) 18