Find the area of the region bounded by the parabola $y=x^{2}$ and $y=|x|$
The area bounded by the parabola, $x^{2}=y$, and the line, $y=|x|$, can be represented as
The given area is symmetrical about y-axis.
∴ Area OACO = Area ODBO
The point of intersection of parabola, $x^{2}=y$, and line, $y=x$, is $\mathrm{A}(1,1)$.
Area of $\mathrm{OACO}=$ Area $\triangle \mathrm{OAM}-$ Area OMACO
Area of $\Delta \mathrm{OAM}=\frac{1}{2} \times \mathrm{OM} \times \mathrm{AM}=\frac{1}{2} \times 1 \times 1=\frac{1}{2}$
Area of OMACO $=\int_{0}^{1} y d x=\int_{0}^{1} x^{2} d x=\left[\frac{x^{3}}{3}\right]_{0}^{1}=\frac{1}{3}$
$\Rightarrow$ Area of $\mathrm{OACO}=$ Area of $\triangle \mathrm{OAM}-$ Area of $\mathrm{OMACO}$
$=\frac{1}{2}-\frac{1}{3}$
$=\frac{1}{6}$
Therefore, required area $=2\left[\frac{1}{6}\right]=\frac{1}{3}$ units
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All Study Material
- JEE Main
- Exam Pattern
- Previous Year Papers
- PYQ Chapterwise
- Physics
- Kinematics 1D
- Kinemetics 2D
- Friction
- Work, Power, Energy
- Centre of Mass and Collision
- Rotational Dynamics
- Gravitation
- Calorimetry
- Elasticity
- Thermal Expansion
- Heat Transfer
- Kinetic Theory of Gases
- Thermodynamics
- Simple Harmonic Motion
- Wave on String
- Sound waves
- Fluid Mechanics
- Electrostatics
- Current Electricity
- Capacitor
- Magnetism and Matter
- Electromagnetic Induction
- Atomic Structure
- Dual Nature of Matter
- Nuclear Physics
- Radioactivity
- Semiconductors
- Communication System
- Error in Measurement & instruments
- Alternating Current
- Electromagnetic Waves
- Wave Optics
- X-Rays
- All Subjects
- Physics
- Motion in a Plane
- Law of Motion
- Work, Energy and Power
- Systems of Particles and Rotational Motion
- Gravitation
- Mechanical Properties of Solids
- Mechanical Properties of Fluids
- Thermal Properties of matter
- Thermodynamics
- Kinetic Theory
- Oscillations
- Waves
- Electric Charge and Fields
- Electrostatic Potential and Capacitance
- Current Electricity
- Thermoelectric Effects of Electric Current
- Heating Effects of Electric Current
- Moving Charges and Magnetism
- Magnetism and Matter
- Electromagnetic Induction
- Alternating Current
- Electromagnetic Wave
- Ray Optics and Optical Instruments
- Wave Optics
- Dual Nature of Radiation and Matter
- Atoms
- Nuclei
- Semiconductor Electronics: Materials, Devices and Simple Circuits.
- Chemical Effects of Electric Current,