Y dA + x10 + y10 + 10 D over the domain D = [-3, 2] × [–-1, 1].

Advanced Engineering Mathematics
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Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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find the integral using symmetry

### Problem Statement

Evaluate the following double integral over the specified domain:

\[
\iint_D \left( 1 + \frac{y}{x^{10} + y^{10} + 10} \right) \, dA
\]

where the domain \( D \) is defined as:

\[ D = [-3, 2] \times [-1, 1]. \]

### Explanation

This integral represents a two-dimensional region in the Cartesian plane. The integral is composed of a function of \( x \) and \( y \), which is integrated over the rectangular domain specified by the intervals for \( x \) and \( y \). 

- **Domain \( D \):** 
  - \( x \) ranges from \(-3\) to \(2\).
  - \( y \) ranges from \(-1\) to \(1\).

The function being integrated has the form:

\[ 1 + \frac{y}{x^{10} + y^{10} + 10}. \]

### Key Points

- The function \( \frac{y}{x^{10} + y^{10} + 10} \) involves high powers of \( x \) and \( y \), which can influence the behavior of the function significantly as \( x \) and \( y \) increase.
- The addition of \( 1 \) ensures that the entire expression remains positive across the domain.
- The integration area is a rectangle in the plane, characterized by simple limits.

### Visualization

- The domain \( D \) can be visualized as a rectangle on the \( xy \)-plane spanning from \([-3, 2]\) in the \( x \)-direction and \([-1, 1]\) in the \( y \)-direction.

Evaluating this integral will provide the total "volume under the surface" defined by the function across the domain \( D \).
Transcribed Image Text:### Problem Statement Evaluate the following double integral over the specified domain: \[ \iint_D \left( 1 + \frac{y}{x^{10} + y^{10} + 10} \right) \, dA \] where the domain \( D \) is defined as: \[ D = [-3, 2] \times [-1, 1]. \] ### Explanation This integral represents a two-dimensional region in the Cartesian plane. The integral is composed of a function of \( x \) and \( y \), which is integrated over the rectangular domain specified by the intervals for \( x \) and \( y \). - **Domain \( D \):** - \( x \) ranges from \(-3\) to \(2\). - \( y \) ranges from \(-1\) to \(1\). The function being integrated has the form: \[ 1 + \frac{y}{x^{10} + y^{10} + 10}. \] ### Key Points - The function \( \frac{y}{x^{10} + y^{10} + 10} \) involves high powers of \( x \) and \( y \), which can influence the behavior of the function significantly as \( x \) and \( y \) increase. - The addition of \( 1 \) ensures that the entire expression remains positive across the domain. - The integration area is a rectangle in the plane, characterized by simple limits. ### Visualization - The domain \( D \) can be visualized as a rectangle on the \( xy \)-plane spanning from \([-3, 2]\) in the \( x \)-direction and \([-1, 1]\) in the \( y \)-direction. Evaluating this integral will provide the total "volume under the surface" defined by the function across the domain \( D \).
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