For the following exercises, find the most suitable system of coordinates to describe the solids. 421. [ T ] Consider the torus of equation ( x 2 + y 2 + z 2 + R 2 − r 2 ) = 4 R 2 ( x 2 + y 2 ) , where R ≥ r ≥ 0. a. Write the equation of the torus in spherical coordinates. b. If R = r , the surface is called a horn torus. Show that the equation 0f a horn torus in spherical coordinates is ρ = 2 R sin φ . c. Use a CAB to graph the horn torus with R = r = 2 in spherical coordinates.
For the following exercises, find the most suitable system of coordinates to describe the solids. 421. [ T ] Consider the torus of equation ( x 2 + y 2 + z 2 + R 2 − r 2 ) = 4 R 2 ( x 2 + y 2 ) , where R ≥ r ≥ 0. a. Write the equation of the torus in spherical coordinates. b. If R = r , the surface is called a horn torus. Show that the equation 0f a horn torus in spherical coordinates is ρ = 2 R sin φ . c. Use a CAB to graph the horn torus with R = r = 2 in spherical coordinates.
1. Evaluate
(2,5)
(3x+y)dx+(2y-x)dy
(0,1)
(i) along the straight lines from (0, 1) to (2, 1) and then from (2, 1) to (2,5), and (ii)
along the parabola y = x² + 1.
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Don't use any Al tool
show ur answer in pe
n and paper then take
20. Solve the given system of differential equations:
x' =
x+y, x(0) = 0
y' = 2x,
y(0) = 1
4. Verify the Cauchy-Goursat theorem for the function f(z) =225z around the
closed curve C defined by a half circle || = 1 from the point (1,0) to (-1, 0) in the
counterclockwise direction and then the straight line from (-1,0) to (1,0).
Don't use any Al tool
show ur answer in pe
n and paper then take
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