2. Evaluate: $(8y-x²) dx + [2x-3y² + y]dy using one method. C is the boundary of the graph of a circle of radius 4 oriented counterclockwise. 3. Evaluate: $(x³ + xy) dx + [x² − ln(y²)]dy using one method. C is the boundary of a region bounded by the graphs of circles with radii of 2 and 4 centered at the origin oriented counterclockwise.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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2. Evaluate: $(8y-x²) dx + [2x − 3y² + y]dy using one method. C is the boundary of
the graph of a circle of radius 4 oriented counterclockwise.
3. Evaluate: $(x³ + xy) dx + [x² − ln(y²)]dy using one method. C is the boundary of a region
bounded by the graphs of circles with radii of 2 and 4 centered at the origin oriented
counterclockwise.
Transcribed Image Text:2. Evaluate: $(8y-x²) dx + [2x − 3y² + y]dy using one method. C is the boundary of the graph of a circle of radius 4 oriented counterclockwise. 3. Evaluate: $(x³ + xy) dx + [x² − ln(y²)]dy using one method. C is the boundary of a region bounded by the graphs of circles with radii of 2 and 4 centered at the origin oriented counterclockwise.
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