Math Problem Statement
Area enclosed by y is equal to x^2 and Y is equal to mod X and the X axis with diagram having area as shaded region
Solution
We are tasked with finding the area enclosed by the curves , , and the x-axis. Let's first analyze the region and then sketch the solution.
Step 1: Understanding the curves
- Curve 1: — This is a parabola that opens upwards and has its vertex at the origin (0, 0).
- Curve 2: — This is a V-shaped curve that consists of two linear segments: one for when , and the other for when . The vertex is also at the origin.
- The x-axis acts as a boundary, marking where the curves intersect with .
Step 2: Points of Intersection
We now need to find the points where intersects with . To do this, solve the equations:
- For :
- For :
Thus, the points of intersection are at , , and .
Step 3: Finding the enclosed area
The enclosed region is symmetric about the y-axis, so we can calculate the area for , then double it.
The area between and from to is given by the integral:
Now, let's compute the integral:
Evaluating these integrals:
Thus, the total area for is:
Since the region is symmetric, the total enclosed area is:
Step 4: Sketching the Region
The shaded region is the area between the curves and from to . You can visualize the V-shape and the parabolic curve forming the boundary of the enclosed area.
I can generate a visual sketch for you, showing the shaded region. Would you like to see it?
Let me know if you want details or have any questions.
Here are five related questions for you:
- What would the area be if we used the function instead of ?
- How does the symmetry affect the calculation of the area in this problem?
- Can we use polar coordinates to calculate this area, and would it simplify the process?
- How would the solution change if the region was bounded by and a different quadratic function?
- What happens to the enclosed area if we extend the range beyond ?
Tip: Symmetry often allows you to calculate only a portion of the area and then multiply by a factor to simplify the process.
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Math Problem Analysis
Mathematical Concepts
Calculus
Definite Integrals
Symmetry
Absolute Value
Quadratic Functions
Formulas
Integral of the area between two curves: ∫[a,b] (f(x) - g(x)) dx
Area of region using symmetry: 2 * ∫[0,1] (x - x^2) dx
Theorems
Symmetry in definite integrals
Basic integration rules
Suitable Grade Level
Grades 11-12 (Precalculus and Calculus)
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