a) evaluate Rx²ydA where R is the planar region bounded by x=1, x=3, y=x and y=2x+1 b) compute Sex+2y+3zdV where E={(x,y,z) | 0
a) evaluate Rx²ydA where R is the planar region bounded by x=1, x=3, y=x and y=2x+1 b) compute Sex+2y+3zdV where E={(x,y,z) | 0
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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![Certainly! Below is the transcription that might appear on an educational website.
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### Calculus Problems on Double and Triple Integrals
#### Problem 1: Double Integral
Evaluate the double integral:
\[ \iint_R x^2y \, dA \]
where \( R \) is the planar region bounded by the lines \( x = 1 \), \( x = 3 \), \( y = x \), and \( y = 2x + 1 \).
#### Problem 2: Triple Integral
Compute the triple integral:
\[ \iiint_E e^{x + 2y + 3z} \, dV \]
where \( E \) is defined by:
\[ E = \{ (x, y, z) \mid 0 \leq x \leq \ln 3, 0 \leq y \leq \ln 5, 0 \leq z \leq \ln 7 \} \]
---
#### Explanation for Graphs or Diagrams
- For Problem 1, it might be helpful to sketch the region \( R \) on the \( xy \)-plane. The region \( R \) is the area of intersection of the vertical lines \( x = 1 \) and \( x = 3 \), along with the lines \( y = x \) and \( y = 2x + 1 \). The bounds define a quadrilateral region in the plane which is relevant for setting up the integral limits.
- Problem 2 involves a rectangular region within a three-dimensional space. The boundaries create a box where \( x \), \( y \), and \( z \) range from 0 to the natural logarithms of 3, 5, and 7, respectively. Visualizing this box in the \( xyz \)-space can help understand the volume over which the function is being integrated.
These problems are excellent for understanding the application of double and triple integrals in evaluating areas and volumes within defined boundaries.
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Transcribed Image Text:Certainly! Below is the transcription that might appear on an educational website.
---
### Calculus Problems on Double and Triple Integrals
#### Problem 1: Double Integral
Evaluate the double integral:
\[ \iint_R x^2y \, dA \]
where \( R \) is the planar region bounded by the lines \( x = 1 \), \( x = 3 \), \( y = x \), and \( y = 2x + 1 \).
#### Problem 2: Triple Integral
Compute the triple integral:
\[ \iiint_E e^{x + 2y + 3z} \, dV \]
where \( E \) is defined by:
\[ E = \{ (x, y, z) \mid 0 \leq x \leq \ln 3, 0 \leq y \leq \ln 5, 0 \leq z \leq \ln 7 \} \]
---
#### Explanation for Graphs or Diagrams
- For Problem 1, it might be helpful to sketch the region \( R \) on the \( xy \)-plane. The region \( R \) is the area of intersection of the vertical lines \( x = 1 \) and \( x = 3 \), along with the lines \( y = x \) and \( y = 2x + 1 \). The bounds define a quadrilateral region in the plane which is relevant for setting up the integral limits.
- Problem 2 involves a rectangular region within a three-dimensional space. The boundaries create a box where \( x \), \( y \), and \( z \) range from 0 to the natural logarithms of 3, 5, and 7, respectively. Visualizing this box in the \( xyz \)-space can help understand the volume over which the function is being integrated.
These problems are excellent for understanding the application of double and triple integrals in evaluating areas and volumes within defined boundaries.
---
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