4. Given the vector field F = ye*V i+ (xe#y + zev²) j+ (yeUz + z) k Show that the field is conservative and then find the potential for F

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Please help with the solution to the following two questions. This is Vector Analysis (Vector Calculus). They have to deal with conservative fields.

**Problem 4:**

*Given the vector field*

\[ \mathbf{F} = ye^{xy} \mathbf{i} + (xe^{xy} + ze^{yz}) \mathbf{j} + (ye^{yz} + z) \mathbf{k} \]

*Show that the field is conservative and then find the potential for \( \mathbf{F} \).*

**Problem 5:**

*Evaluate the integral*

\[ \int_{C} \mathbf{G} \cdot d\mathbf{R} \]

*where*

\[ \mathbf{G} = ye^{xy} \mathbf{i} + (xe^{xy} + ze^{yz} - 3z) \mathbf{j} + (ye^{yz} - y + z) \mathbf{k} \]

*and the curve \( C \) is given by*

\[ x = 1 + 2t, \quad y = 1 - t^2, \quad z = 2t - 3, \quad 0 \leq t \leq 1 \]

*(Hint: Note that \(\mathbf{G}\) can be written as a sum of \(\mathbf{F}\) in the previous question and an additional non-conservative part.)*
Transcribed Image Text:**Problem 4:** *Given the vector field* \[ \mathbf{F} = ye^{xy} \mathbf{i} + (xe^{xy} + ze^{yz}) \mathbf{j} + (ye^{yz} + z) \mathbf{k} \] *Show that the field is conservative and then find the potential for \( \mathbf{F} \).* **Problem 5:** *Evaluate the integral* \[ \int_{C} \mathbf{G} \cdot d\mathbf{R} \] *where* \[ \mathbf{G} = ye^{xy} \mathbf{i} + (xe^{xy} + ze^{yz} - 3z) \mathbf{j} + (ye^{yz} - y + z) \mathbf{k} \] *and the curve \( C \) is given by* \[ x = 1 + 2t, \quad y = 1 - t^2, \quad z = 2t - 3, \quad 0 \leq t \leq 1 \] *(Hint: Note that \(\mathbf{G}\) can be written as a sum of \(\mathbf{F}\) in the previous question and an additional non-conservative part.)*
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