1. Polar coordinates. A) Find the region D* in the (r, 0) plane corresponding to the region D described in the x - y plane. Sketch D and D* and describe D* using a system of inequalities. a) x² + y² ≤ 1,0 ≤y. (Ans: 0

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A: An annulus is a plane figure whose boundary consists of 2 concentric circles .

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Q: 9.) Let E be the tetrahedron with vertices: (0,0,0), (3, 2,0), (0,3,0), (0, 0,2). E is bounded by…

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Q: 3) çalculate Sſ e-(x<+Y²) dA on D which is the region in the first quadrant bounded by the circle X²…

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Q: 16) Consider the oriented curve C, boundary of a region D, given by C = C₁ UC₂, where C₁: y=x² y C₂:…

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A: 8/3

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