Q7. Use Green's theorem to evaluate y² dx + 3xy dy, where c is the boundary o the semi annular region D in the upper half-plane between the circles x² + y² = 1 and x² + y² = 4.

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ISBN:9780470458365
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Chapter2: Second-order Linear Odes
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Q7. Use Green's theorem to evaluate fy² dx + 3xy dy, where c is the boundary of
the semi annular region D in the upper half-plane between the circles x² + y² = 1
and x² + y² = 4.
Q8. Evaluate F. dr using Stoke's theorem when F = (2xy - x²)ī —
(x² - y² )j and C is the boundary of the region enclosed by the parabolas y² = x
and x² = y.
Q9. Find the value of the right side of Gauss divergence theorem for F = x²ī+ zī+
yz k over the cube formed by x = +1, y = ±1, z = +1.
Transcribed Image Text:Q7. Use Green's theorem to evaluate fy² dx + 3xy dy, where c is the boundary of the semi annular region D in the upper half-plane between the circles x² + y² = 1 and x² + y² = 4. Q8. Evaluate F. dr using Stoke's theorem when F = (2xy - x²)ī — (x² - y² )j and C is the boundary of the region enclosed by the parabolas y² = x and x² = y. Q9. Find the value of the right side of Gauss divergence theorem for F = x²ī+ zī+ yz k over the cube formed by x = +1, y = ±1, z = +1.
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