Evaluate the integral using three different orders of integration. II (xy + z²) dV E = {(x, y, z)| 0 < x< 2, 0

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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**Title:** Evaluating Triple Integrals with Different Orders of Integration

**Objective:** Learn how to evaluate a triple integral by applying three different orders of integration.

**Problem:** Evaluate the integral using three different orders of integration.

\[
\iiint\limits_{E} (xy + z^2) \, dV
\]

where the region \( E \) is defined as:

\[
E = \{(x, y, z) \,|\, 0 \leq x \leq 2, \, 0 \leq y \leq 1, \, 0 \leq z \leq 3 \}
\]

**Approach:**

The integral needs to be evaluated by integrating the function \( xy + z^2 \) over the region \( E \) using three different integration orders. The possible orders of integration are:

1. **Order 1:** \( \int_{0}^{3} \int_{0}^{1} \int_{0}^{2} (xy + z^2) \, dx \, dy \, dz \)

2. **Order 2:** \( \int_{0}^{2} \int_{0}^{3} \int_{0}^{1} (xy + z^2) \, dy \, dz \, dx \)

3. **Order 3:** \( \int_{0}^{1} \int_{0}^{2} \int_{0}^{3} (xy + z^2) \, dz \, dx \, dy \)

**Conclusion:**

By computing these integrals, you will understand how changing the order of integration can affect the process of solving a triple integral, although the final result should remain consistent across all orders.
Transcribed Image Text:**Title:** Evaluating Triple Integrals with Different Orders of Integration **Objective:** Learn how to evaluate a triple integral by applying three different orders of integration. **Problem:** Evaluate the integral using three different orders of integration. \[ \iiint\limits_{E} (xy + z^2) \, dV \] where the region \( E \) is defined as: \[ E = \{(x, y, z) \,|\, 0 \leq x \leq 2, \, 0 \leq y \leq 1, \, 0 \leq z \leq 3 \} \] **Approach:** The integral needs to be evaluated by integrating the function \( xy + z^2 \) over the region \( E \) using three different integration orders. The possible orders of integration are: 1. **Order 1:** \( \int_{0}^{3} \int_{0}^{1} \int_{0}^{2} (xy + z^2) \, dx \, dy \, dz \) 2. **Order 2:** \( \int_{0}^{2} \int_{0}^{3} \int_{0}^{1} (xy + z^2) \, dy \, dz \, dx \) 3. **Order 3:** \( \int_{0}^{1} \int_{0}^{2} \int_{0}^{3} (xy + z^2) \, dz \, dx \, dy \) **Conclusion:** By computing these integrals, you will understand how changing the order of integration can affect the process of solving a triple integral, although the final result should remain consistent across all orders.
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