Compute the area between g(x) = 3x - 4 and f(x)= x(x-1)(x-2)
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:**Problem 5:**
Compute the area between the functions \( g(x) = 3x - 4 \) and \( f(x) = x(x-1)(x-2) \).
**Explanation:**
To solve this problem, you need to find the points of intersection between the two functions and then integrate the absolute difference of the functions between these points.
1. **Find Intersection Points:**
- Set \( g(x) = f(x) \) to find the x-values where the two functions intersect.
2. **Integral Calculation:**
- Compute the definite integral of \( |g(x) - f(x)| \) between the intersection points.
- This will give the area between the two curves.
3. **Interpretation:**
- \( g(x) = 3x - 4 \) is a linear function.
- \( f(x) = x(x-1)(x-2) \) is a cubic polynomial, indicating a curve that changes direction and contains roots at \( x = 0, 1, \) and \( 2 \).
This task ensures students practice solving systems of equations, graphing functions, and applying integration techniques to find areas between curves.
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