21. Use Stokes' theorem to evaluate (curl F.N)ds, where F(x, y, z) = x î + y² ĵ + zezy and S is the part of surface z = 1 - x² – 2y² with z ≥ 0, oriented counterclockwise.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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**Problem 21:**

Use Stokes' theorem to evaluate the surface integral:

\[
\iint_S (\text{curl} \, \mathbf{F} \cdot \mathbf{N}) \, dS
\]

where the vector field \(\mathbf{F}(x, y, z) = x \, \mathbf{i} + y^2 \, \mathbf{j} + xe^{xy} \, \mathbf{k}\) and \(S\) is the part of the surface defined by the equation \(z = 1 - x^2 - 2y^2\) with \(z \geq 0\), oriented counterclockwise.
Transcribed Image Text:**Problem 21:** Use Stokes' theorem to evaluate the surface integral: \[ \iint_S (\text{curl} \, \mathbf{F} \cdot \mathbf{N}) \, dS \] where the vector field \(\mathbf{F}(x, y, z) = x \, \mathbf{i} + y^2 \, \mathbf{j} + xe^{xy} \, \mathbf{k}\) and \(S\) is the part of the surface defined by the equation \(z = 1 - x^2 - 2y^2\) with \(z \geq 0\), oriented counterclockwise.
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